Rick Kaplan, whose last day as executive producer on the CBS Evening News With Katie Couric was today, already has a new gig: He has been tapped to be exec producer of ABC NewsThis Week With Christiane Amanpour. He also will oversee the division’s political coverage, said ABC News president Ben Sherwood, who made the announcement. Kaplan, who has 44 Emmys, spent two decades at ABC as executive producer of Good Morning America, Nightline, PrimeTime Live and World News Tonight With Peter Jennings and has worked at all four major networks.