CNN’s ‘Reliable Sources’: Is Letterman a Cad? Sharon debates the harsh truth about late-night talk show host sex, with Howard Kurtz Sharon Waxman October 13, 2009 @ 10:26 AM Share on Social Media I appeared on Howie Kurtz’s show "Reliable Sources" on CNN on Sunday to talk about David Letterman and the debate over morality in the backrooms of late-night television talk shows. Just writing that makes me giggle. Have a look. Read Next Jimmy Kimmel Wants to Know 'Why Trump Hasn’t Already Been Punished' for Constant Gag Order Violations | Video Comments