Twitter is going public. Jill Schlesinger tells us what this means. Will it be as big of a disaster as Facebook? CBS News space consultant Bill Harwood is on the phone to talk about the spacecrarft Voyager which has just become the first manmade object to leave the solar system. Colbert got Congressman Jim McDermott to say he does not like big butts. Seahawks 360: Danny O'Neill live in studio. The Pete Carroll Show: Coach Pete joins the show.