TV Biz The Ticker (G20 Edition): ABC, CBS, Bloomberg… By SteveK on Mar. 27, 2009 - 3:51 PM > ABC’s Charlie Gibson anchors World News from London Tuesday-Thursday. Correspondents Jake Tapper, Jim Sciutto, Yunji de Nies will report from the G20 summit as well. ABC News Radio’s Ann Compton will be traveling ...