PHOENIX - JULY 31: Policemen stand guard over a protesters' flag made by immigrant rights supporters as Arizona conservatives listen to speeches denouncing illegal immigration on July 31, 2010 in Phoenix, Arizona. Hundreds of supporters of Arizona's immigration enforcement law SB 1070 and Tea Party activists rallied in favor of the law at the state capitol building. Several dozen opponents of the law turned out to stage a counter protest. (Photo by John Moore/Getty Images)