Friday June 19, 2009 Several Advertisers Withdraw CBS Support in Wake of Letterman-Palin “Joke” By Peter J. SmithNEW YORK, June 17, 2009 (LifeSiteNews.com) – Alaska governor Sarah Palin may have accepted late-night comedian David Letterman’s belated apology for making a rape joke about her 14 year-old daughter, but a grassroots campaign has continued to put pressure on CBS to fire the comedian. The campaign as of yesterday had generated 52,000 petitions requesting CBS fire Letterman, and it appears that two major advertisers, and a possibly a third, have chosen to withdraw support from CBS over the controversy. John Zeigler,...