Jimmy Kimmel's monologue gets interrupted by a baseball bat-wielding Robert De Niro

Jimmy Kimmel's usual jokes about Trump were interrupted on Wednesday by an unlikely guest."The last time we were here in Brooklyn we were just getting back on the air after we had that unexpected FCC vacation week," says Kimmel in the monologue above. "And while I would like to say that things have improved over the last year, they haven't really. We are still being threatened by the FCC."Cue Robert De Niro striding onstage with a baseball bat, in character…