FALFURRIAS, TX – JULY 22: Undocumented immigrants on July 23, 2014 near Falfurrias, Texas. Thousands of immigrants, many of them minors, have crossed illegally into the United States this year, causing a humanitarian crisis on the U.S.-Mexico border. Texas Governor Rick Perry announced that he will send 1,000 National Guard troops to help stem the flow. (Photo by John Moore/Getty Images)
