Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama Migrant caravan awaits next step TIJUANA, MEXICO - NOVEMBER 23: Honduran mother Nubia (C) holds her son Wilmar, 5, as they wait in line for information about applying for asylum in the U.S. on November 23, 2018 in Tijuana, Mexico. They traveled for 43 days in the 'migrant caravan' before arriving in Tijuana. (Photo by Mario Tama/Getty Images)Photo by: Mario Tama