' Mocks Palin in CNBC Interview It's not a secret that billionaire investor and Berkshire Hathaway (NYSE: BRK.A. ) CEO Warren Buffett is a supporter of President Barack Obama - having endorsed and raised money for him. But has Buffett's approval of the president mirrored the declining 03-01-2010 by stanfordwedeck Tags buffett, give, interview, marks, obama, palin, warren