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Photo by: Ross D. Franklin

** FILE ** Antonio Perez (bottom) joins dozens of others, many of them Mexican citizens, as they relax in sleeping quarters at a well-known immigrant shelter on Thursday, Aug. 9, 2012, in Nogales, Mexico. Many are making tough decisions on whether to try their luck at making it to the United States by illegally crossing the border. (AP Photo/Ross D. Franklin)

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