Donald Trump, left, a possible 2012 presidential candidate, left, and attorney Michael Cohen, are pictured at a stop at the Roundabout Diner, April 27, 2011, in Portsmouth, N.H. Cohen is prosecutors’ most central witness in former President Donald Trump's hush money trial. But Trump’s fixer-turned-foe is also as challenging a star witness as they come. The now-disbarred lawyer has a tortured history with Trump. (AP Photo/Jim Cole)