I thought so

Lilly Raines:

I heard you and Nixon didn't get along. Frank Horrigan:
[in the hotel bar while playing the piano]
Now, that's not true. His chief of staff, though, that was a different story. I remember one time, he wanted me to go out and get rid of some anti-war protestors. I said no, talking about the Bill of Rights and so on. And he says, "look, when I'm talking to you, I am the President." I said, "The President? That's funny, you look more like a sack of shit in a cheap suit to me, sir!" Lilly Raines:
[laughs]
Well, I like the "sir." It's a classy touch. Frank Horrigan:
I thought so