Immigrants who have been caught crossing the border illegally are housed inside the McAllen Border Patrol Station in McAllen, Texas where they are processed on Tuesday, July 15, 2014. More than 57,000 unaccompanied children have been apprehended at the southwestern border since October, more than twice the total this time last year, many through the Rio Grande Valley. (AP Photo/Los Angeles Times, Rick Loomis, Pool)
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