After 19 debates, the next GOP Republican primary debate is in Arizona tonight (The Hill)

Santourm leads Romney, 35 to 26% (National Journal)

Romney opposes focus on cutting government spending (Daily Caller)

Super PAC donors revealed (WaPo)

A look at the GOP’s “old, white” voters (The Week)

President Obama seeks a 28% corporate tax rate (AP)

After documents were stolen, the Heartland Institute launches FakeGate.com (FakeGate)

Treasury Dept. scrambled to dissuade credit agency as downgrade loomed (The Hill)

US Supreme Court will take another look at affirmative action (AP)

Sen. John Cornyn leads in race to become Senate Republican whip (The Hill)

Chevy Volt not on the list of greenest cars (Washington Examiner)

Obama campaign prepares for rising gas prises (Bloomberg)

China’s wealthy move west (WSJ)

VIDEO: President Obama sings “Sweet Home Chicago”