If Comey changes his story now it will not go well for him. He already had his chance under oath . . . at a minimum he will lose whatever credibility he has left.
“If Comey changes his story now it will not go well for him.”
And there’s a chance that, even though Trump tweeted that he didn’t tape their conversations, and that he doesn’t physically have any tapes, there could BE tapes. And Comey might know that’s a possibility of that. Comey might have been the one doing the taping, and they could’ve been found in his office the day he was fired in California.