A man talks on the phone as he stands next to the U.S.-Mexico border in Nogales, Ariz., Tuesday, July 27, 2010. Arizona's new immigration law SB1070 takes effect Thursday, July 29. (AP Photo/Jae C. Hong)

Photo by: Jae C. Hong

A man talks on the phone as he stands next to the U.S.-Mexico border in Nogales, Ariz., Tuesday, July 27, 2010. Arizona's new immigration law SB1070 takes effect Thursday, July 29. (AP Photo/Jae C. Hong)