Selina: What we have to do is hang a bell on this guy. He's completely off book.
Kent: No, ma'am, I think that means that he's learned all his lines and he no longer needs a script.
Selina: No, he's off book.
Sue: Off the hook?
Selina: No, he's deviating from the book of the things that he should do.
Ben: You mean off the rails.
Selina: Fine, he's off the rails.
Amy: Well, let's make Tom economy czar.
Selina: Yeah. We'll czar him. That'll give him something to do.
Quote from S05E01 - Morning After