“Just do it,” the former fixer recalled Trump saying about the hush-money payment to the porn actor, Stormy Daniels. Narrating the prosecution’s case in tell-all detail, Cohen testified that Trump in 2016 had personally directed him to pay off a porn actor and had approved a dubious reimbursement plan. NEW YORK — Michael Cohen, the do-anything fixer who once boasted of burying Donald Trump’s secrets and spreading his lies, took the stand at the former president’s criminal trial Monday in Manhattan and exposed those machinations to the jury and the world. After Trump had won the White House, Cohen demanded...