He was the “guy who would take a bullet” for Donald Trump. “If somebody does something Mr Trump doesn’t like … If you do something wrong, I’m going to come at you, grab you by the neck and I’m not going to let you go until I’m finished,” Michael Cohen told ABC News in 2011. This loyalty would ultimately land Cohen, Trump’s former lawyer, in prison and turn him from trusted aide to mortal enemy. And now, in his first public testimony in a trial of Trump, Cohen will bring his fury to court against his one-time boss and mentor....