What happens when the most influential and popular television star in the nation recommends a book on her highly rated television show?  The book zooms to the top of the best seller lists.What happens when that same television star endorses a political figure for office and then goes out on the campaign trail for him?  Her popularity tanks.Oprah’s popularity in America plummeted. An August 2007 CBS News poll showed only 61 percent of Americans were favorably disposed to her — a considerable drop of 13 percentage points from a similar survey conducted just seven months prior. An October 2007 Gallup/USA Today poll that showed Oprah with a slightly higher 66 percent favorability still reflected a drop. The following month, with Clinton still dominating most national and statewide presidential primary polls, Oprah announced on Nov. 26, 2007, that she would go on the stump for Obama. To woo voters in crucial primaries, Oprah made appearances in Iowa, South...(Read Full Post)