Kathy Griffin hosted the VH1 Divas salute to the troops this weekend, but her “jokes” about Bristol Palin being “fat” fell flat. "She's the only contestant in the history of the show to actually gain weight," Griffin said in reference to Bristol's trip to the finals on “Dancing With the Stars.” Even after the troops' loud booing, Griffin continued the attack. "No, come on, come on. She gained like 30 pounds a week, I swear to God, it was fantastic,” Griffin said. “She's like the white Precious." (Actress Gabourey Sidibe played the role of “Precious,” a 350-pound black woman in...