Now this is what we call a sweeps stunt: ABC's sublime sudser, One Life to Live, will go live for a whole week in May — and executive producer Gary Tomlin is praying for gaffes galore. "If we get through the entire week without some terrible mistake, I'll be a genius — and I will have failed miserably because tuning in to see something go wrong is what tweaks viewer interest," he tells TV Guide soap columnist Michael Logan in the Feb. 23 issue (on sale Monday). "And that's fine with me." The big event is set for May 13-17.