Steve Bannon—the right-wing media personality turned adviser to Donald Trump turned right-wing media personality again—became the first person in nearly 40 years to be indicted on a charge of criminal contempt of Congress last month after he refused to cooperate with the House committee investigating the Jan. 6 insurrection. Now, Bannon appears to be using his criminal case to go after the committee that went after him. Bannon is attempting to force investigators to potentially expose who they’ve talked to and what they’ve said, peek into secret communications on the committee, and create a playbook for other resistant witnesses, according...