DENVER - OCTOBER 07:  Children of Mexican immigrants wait to receive free health checkups at a mobile clinic outside the Mexican Consulate on October 7, 2009 in Denver, Colorado. Salud Family Health Centers sends a mobile clinic at least once a week to the consulate to care for Mexican immigrants and their families, many of whom have little other access to basic health care. Getty Images logo Getty Images 28 months ago

DENVER - OCTOBER 07: Children of Mexican immigrants wait to receive free health checkups at a mobile clinic outside the Mexican Consulate on October 7, 2009 in Denver, Colorado. Salud Family Health Centers sends a mobile clinic at least once a week to the consulate to care for Mexican immigrants and their families, many of whom have little other access to basic health care.