Brad Pitt, Oprah, George Clooney Among White House Visitors

If those walls could talk! Brad Pitt -- but not his lady friend or six kids -- had an audience with the President of the United States at the official Washington, D.C. residence in 2009. Also paying White House calls since Obama's inauguration: Oprah Winfrey , George Clooney , Denzel Washington , and Serena Williams (not to mention scores of business, civic and political leaders, including Microsoft's Bill Gates and former Vice President Al Gore). Goofiest Halloween getups of the year -- check them out In an unprecedented move, the White House -- stressing the administration's commitment to transparency -- released a limited list of its visitors since Barack Obama took office, MSNBC.com reports . It's the first time any presidential administration has made such a list publicly available. Clooney visited on Feb. 23 to meet with Obama and Vice President Joe Biden to discuss the ongoing humanitarian crisis in Sudan's Darfur region. Longtime Obama champion Winfrey interviewed ... (link)