Stephen Colbert Takes Issue With Likening Rudy Giuliani to a Hand Grenade. Biden, Joseph R Jr, Colbert, Stephen, Fallon, Jimmy, Giuliani, Rudolph W, Holmes, David (Diplomat), Kimmel, Jimmy, Meyers, Seth, Noah, Trevor (1984- ), O'Brien, Conan, Trump, Donald J, Warren, Elizabeth, Desus & Mero (TV Program), Late Show with Stephen Colbert (TV Program)