FILE - In this July 22, 201 photo, protesters block the street to protest the SB1070 Arizona immigration law in front of U.S. District Court in Phoenix. A U.S. appeals court on Monday, April 11, 2011 ... more 
FILE - In this July 22, 201 photo, protesters block the street to protest the SB1070 Arizona immigration law in front of U.S. District Court in Phoenix. A U.S. appeals court on Monday, April 11, 2011 refused to lift a stay blocking major parts of Arizona's immigration law from taking effect and said the federal government is likely to be able to prove it is unconstitutional. less 
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Associated Press | Photo By Ross D. Franklin
Mon, Apr 11, 2011 8:51 PM EDT