Democratic presidential hopeful Sen. Barack Obama (D-IL) and his wife Michelle Obama greet supporters as they arrive to a primary campaign rally outside the San Antonio Municipal Auditorium March 4, 2008 in San Antonio, Texas. Sen. Hillary Clinton (D-NY) and Obama are facing off in the crucial Texas primary. Obama is the projected winner of the Vermont primary while Clinton is the projected winner in both the Rhode Island and the important Ohio primaries.
(March 04, 2008 - Source: Ben Sklar/Getty Images North America)
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