Lou Dobbs, 'Moneyline' Anchor, Quits CNN for His Own Web Site
Lou Dobbs is leaving as Cable News Network executive vice president and anchor of financial news show Moneyline to start own Web site, Space.com; was in charge of all of CNN's financial news coverage and president of financial news cable channel CNNfn; his show is CNN's most lucrative in terms of advertising revenue; Space.com will offer news, educational and fictional entertainment content about space, including science and business content; Venrock Associates reportedly will be venture's primary investor; CNN names Jeff Gralnick and David Bohrman to replace Dobbs on interim basis; photo (M)