For special report IMMIGRATION/ARIZONA

Arizona State Senator Russell Pearce, author of Arizona’s illegal immigration law Senate Bill 1070, poses for a photo in Mesa, Arizona, July 19, 2010. Republican state Senator Russell Pearce, a long-time fixture in Arizona politics but until recently a virtual unknown elsewhere, never expected to singlehandedly shake up national politics, let alone get under the skin of the White House. To match Special Report IMMIGRATION/ARIZONA REUTERS/Joshua Lott (UNITED STATES – Tags: SOCIETY POLITICS MEDIA)