http://cs.entertainmentcareers.net/blogs/tvbiz/archive/2009/03/03/national-geographic-touts-ad-sales-stuffs-slate-with-new-shows-for-upfront.aspxIn preparing for television’s upfront advertising market, the intrepid folks at National Geographic Channel have discovered a mysterious zone not affected by the recession. Executives at the channel say first-quarter ad sales are up 11% and that the networkenCommunityServer 2008.5 SP2 (Build: 40407.4157)