i would've been surprised if he did

Cheney won’t testify. Reversing course, attorneys for former White House aide Scooter Libby say they no longer plan to call Vice President Dick Cheney to testify in the CIA leak trial. The AP reports, “Defense attorney Theodore Wells said he advised Cheney’s lawyer over lunch that his testimony would not be needed. Wells also said he planned to rest his case without calling Libby.”

(Think Progress)