Ken Auletta; Gary Hart; 'Cheers'

The New Yorker media analyst Ken Auletta reports on the announcement that Connie Chung will join Dan Rather as a co-anchor on CBS News. Former Democratic senator from Colorado Gary Hart presents his new book, "The Good Fight," which shares the reform work Hart has done since leaving the Senate. NBC executive Brandon Tartikoff, TV critic Jeff Jarvis, and "Cheers" co-creator James Burrows discuss the show's tremendous success despite initial rocky ratings.