Myth

 Washington Post: Trump’s secret papers and the ‘myth’ of presidential security clearance - Unlike U.S. intelligence officials, presidents are not ‘read in’ or ‘read out’ of classified matters, complicating any potential prosecution, experts say By Devlin Barrett , Ellen Nakashima and Josh Dawsey

“A former president might receive access to limited classified material after leaving office to assist with writing memoirs or at the discretion of the current president, but a formal security clearance isn’t involved.”