An attorney who once represented Michael Cohen testified Monday that Donald Trump’s fixer-turned-foe had told him the ex-president “knew nothing” about the hush money payment to porn star Stormy Daniels — moments before irking the judge by rolling his eyes and muttering on the stand. Robert “Bob” Costello, the second witness called by Trump’s lawyers at his Manhattan criminal trial, contradicted previous testimony by Cohen that the real estate mogul was aware of the deal to pay Daniels $130,000 to silence her story about having a tryst with him. “Michael Cohen said numerous times that President Trump knew nothing about...