Lee “Precious” Daniels rounded up Oscar winners, and Oprah, to bring his version of the life of a White House butler who had a front row seat to the great swing in America’s racial history. Forest Whitaker has the title role, Robin Williams, Jane Fonda, Alan Rickman, Terrence Howard, John Cusack (as Nixon?), Vanessa Redgrave. If this one is as bad as “The Paper Boy,” we can officially declare “Precious” a fluke. But you can see potential in this trailer.