Republican presidential hopeful Sen. John McCain, R-Ariz., and former Massachusetts Gov. Mitt Romney have a verbal exchange during the CNN/LA Times/Politico GOP Presidential Candidates Debate at the Ronald Reagan Presidential Library Wednesday in Simi Valley, Calif. (Photo by David McNew/Getty Images)
President, U.S. Senate, Congress, and the Minnesota House of Representatives are the major races in the campaign of 2008. This is the first presidential election without an incumbent or sitting vice president involved since 1952.
Republicans exchange barbs during debate
Republican presidential candidates John McCain, Mitt Romney, Mike Huckabee and Ron Paul appeared in California to debate the issues with less than a week to go before Super Tuesday.
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