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also a piece about david letterman, the thing that got me surprised in the story. you say he pitched about succeeding david letterman. a high-level source says voonves declined. he was at a fork in the road. he was choosing news or comedy. >> yes. i think the trouble he got into once he decided to stay in the news business his heart was still in comedy. he loves late night. he was on letterman last year where he made 2013 -- two years ago where he made some of those comments. >> there he is. >> there he is. he re-signs with nbc but still wants to be in the comedy world. you can't be entertainer or journalist. one, journalist has to be willing to anger people journalists have to be like two roles. >> still an opening at the daley show when jon stewart leaves. in some ways nbc news back it where it was in 1993 trying to recover from self-inflicted wounds. "dateline" nbc, huge crisis when it set up this collision between a car and gm truck. remember this story? this was a huge scandal. this segment suggested the trucks were unsafe. nbc rigged the trucks to make sure t