Legendary actor-comedian Bill Cosby said that Donald Trump is “full of it” when it comes to his potential bid for the White House, telling TODAY’s Meredith Vieira Thursday that Trump should “run or shut up.” Cosby was passionately talking about his work helping to further education in downtrodden urban neighborhoods, but he worked himself into a lather when Vieira asked him about Trump, who appeared in an earlier show segment. Vieira mentioned her lengthy, pretaped interview with the business mogul in which he talked about the possibility of his running for president in 2012. Funnyman Cosby grimaced and said, “Oh,...