Newt Gingrich Panel; Frederica von Stade; Hugh Downs

A discussion about Republican Congressman Newt Gingrich, soon to be Speaker of the House—with Frank Rich of the New York Times, Richard Brookhiser of The National Review, Jacob Weisberg from New York Magazine, and author David Frum. Mezzo-soprano Frederica von Stade discusses divas and her most recent role in the new opera "The Dangerous Liaisons." Hugh Downs, host of "20/20," talks about aging and his decision to return to work after retiring.