(CBS) LOS ANGELES -- Senator Hillary Rodham Clinton will visit Los Angeles Thursday to conduct a series of fund-raisers for her presidential campaign, one day after a former ally's criticism sparked a dispute between her campaign and that of Senator Barack Obama. DreamWorks SKG co-founder David Geffen made sharply critical remarks about Clinton and her husband, former President Bill Clinton, to New York Times columnist Maureen Dowd. "Everybody in politics lies, but they do it with such ease, it's troubling," Geffen said. Geffen's comments prompted the Clinton campaign to issue a statement calling for the Obama campaign to return the...