Andy Cohen is “waiting” to be cancelled. The ‘Watch What Happens Live’ presenter – who was recently cleared after being investigated by Bravo and parent company NBCUniversal following a string of lawsuits from former ‘Real Housewives’ stars – admitted he often reflects on what he’s said in public and wonders if a particularly controversial remark will lead to his downfall. He told Vulture: “It’s fascinating to me, the idea that you could say something and everything would be pulled away from you… “Sometimes at night I’ll be in bed and I’ll think, Huh, did I say something? I’m always waiting …