Barack Obama rally at UCLA in Los Angeles

Michelle Obama, Maria Shriver and Oprah Winfrey (L-R) stand together with Caroline Kenedy, rear, after they each spoke during a rally for Democratic presidential candidate U.S. Senator Barack Obama (D-IL) at UCLA's Pauley Pavilion in Los Angeles on February 3, 2008. Shriver, the wife of Republican governor Arnold Schwarzenegger endorsed Obama in the surprise appearance. (UPI Photo/Jim Ruymen)