A former federal prosecutor warned that Donald Trump’s repeated vows to pardon Jan. 6 convicts could signal his willingness to lean into authoritarian tactics of using henchmen to do the “dirty work of intimidating citizens into obedience and silence.” Dennis Aftergut, currently counsel for the group Lawyers for American Democracy, wrote in The Bulwark that Trump ought to be asked during the Tuesday night debate on ABC News about his pledges to pardon violent insurrectionists. “To a former prosecutor, Trump looks to be doing something even worse than reinforcing the backward-looking narrative …