03/28/2008 02:45 am ET Updated May 25, 2011

Behind The Scenes Of Maria Shriver's Endorsement

California First Lady Maria Shriver delivered a surprise endorsement of Barack Obama on Sunday, overcoming qualms about going public because, she said, the Illinois senator was the presidential candidate able to unify the country across racial, ethnic and other lines of division.

"He's not about himself," she told a cheering crowd at UCLA's Pauley Pavilion. "He's about the power of us and what we can do if we come together. . . . He is about empowering women, African Americans, Latinos, older people, young people. He's about empowering all of us."

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