They ask her if anyones slept over at her apartment in the past year.
So Dianes defense that she thought Tully was joking about killing the president goes out the window.
We knew she was being hyperbolic, but thats still a pretty extreme thing to say.

Credit: Elizabeth Fisher/CBS
Both these twists make this finale feel rather paranoid.
Furthermore, Liz later learns that Ruth Eastman was responsible for leaking the second tape to the feds.
Liz suggests that maybe conscience rules, meaning you should break the law if it offends your conscience.
Diane takes that to heart.
While Dianes legal problems were the driving engine of the finale, it wasnt all serious.
I died laughing when Lucca yelled You motherfer, you bring the drugs back!
I really liked where we left things with Lucca in the finale.
Those are the people she wants to come home to, not Colin.
Im sadThe Good Fightis ending, because this season has been great.