NEW YORK (AdAge.com) -- The Yum Brands' public relations fallout from the death of Kentucky Derby racehorse Eight Belles continues to fuel controversy. Yum, the Derby's national sponsor, has been lashed by the press and the blogosphere for celebrating the race's winner at the same time Eight Belles was being euthanized. What should the marketer do now? In other news in this 3 Minute Ad Age, Gwyneth Paltrow, a declared macrobiotic food snob, has signed on for a PBS culinary series. And, two top analysts predict that the take from this year's broadcast TV upfront will fall short of last year's.