AP Photo/Jae C. Hong
Rick Santorum and Mitt Romney debate in Mesa, Ariz.
Mitt Romney and Rick Santorum clashed over which of them is the true conservative steward of taxpayers' money Wednesday night, grappling for advantage as their two-man grudge match heads toward critical votes in Arizona and Michigan on Tuesday. » read more
ASSOCIATED PRESS
Mitt Romney speaks at a campaign rally in Mesa, Arizona.
Mitt Romney proposed Wednesday to cut individual income tax rates for all Americans by 20 percent, a promise he hopes will jumpstart his campaign for the Republican presidential nomination and the American economy. » read more

Joel Pett / Lexington Herald-Leader (February 22, 2012) | More election cartoons from McClatchy
Is he a flexible pragmatist, or a politically soulless flip-flopper too eager to please? His supporters say his overarching philosophy of government is clear and consistent. Deep religious faith fuels Santorum's conservative politics. In Congress, he was a leading opponent of abortion, same-sex marriage and wrongdoing by fellow lawmakers. Gingrich's political and personal lives have seen soaring highs and messy lows. Is he the rhetorical bomb-thrower of 1994, or the elder statesman seen on TV this year? Some of Ron Paul's positions, once dismissed as kooky or quirky, don't seem so bizarre anymore to voters or Republicans. They're now part of the standard GOP playbook. GOP CANDIDATE PROFILES
Mitt Romney
Rick Santorum
Newt Gingrich
Ron Paul