HOLLYWOOD has-been Chevy Chase lashed out at President Bush at a liberal love-in Tuesday night, calling the commander-in-chief a "dumb f - - k." Chase was master of ceremonies at People for the American Way's Defender of Democracy awards gala at the Kennedy Center in Washington, D.C. But the organization got more than it bargained for when Chase went off the rails in a potty-mouthed rant, the Washington Post reports. "This guy in office is an uneducated, real schmuck," Chase fumed, "and we still couldn't beat him with a bore like [John] Kerry." He then joked about Cabinet changes,...