When Donald Trump walks into Justice Juan Merchan's courtroom on Tuesday (Apr 4) to face criminal charges, it will be a first for a former US president but familiar territory for the veteran judge who serves on Manhattan's criminal court. Merchan last year oversaw a criminal trial of the Trump Organization that ended with the real estate company convicted by a jury of tax fraud and hit with fines, while one of its longtime executives, Allen Weisselberg, pleaded guilty and was sent to jail. Trump is expected to be arraigned before Merchan on Tuesday following a grand jury investigation into...