Former President Donald Trump, now a convicted felon, could be headed to prison, a former state and federal prosecutor wrote in an opinion piece Tuesday. Frank O. Bowman III, author of “High Crimes & Misdemeanors: A History of Impeachment for the Age of Trump” and a professor at the University of Missouri, outlined his case on MSNBC.com for why he thinks Trump is not only deserving of prison time, but very well could be headed behind bars come his sentencing hearing July 11. Trump’s position as a former president and current candidate adds another dimension to Judge Juan Merchan’s deliberation…