Pedestrians crossing from Mexico into the United States at the Otay Mesa Port of Entry wait in line in San Diego on Dec. 10, 2015.
Pedestrians crossing from Mexico into the United States at the Otay Mesa Port of Entry wait in line in San Diego on Dec. 10, 2015. Denis Poroy AP
Pedestrians crossing from Mexico into the United States at the Otay Mesa Port of Entry wait in line in San Diego on Dec. 10, 2015. Denis Poroy AP