Every time he speaks.
He’s at least guilty of federal document fraud for the forged CoLB he posted on the Internet as his ‘proof of natural born citizenship’. Since he has not proven he’s eligible and has posted a false document with the intent to deceive the American people and defraud the election process, then taken the oath of office to protect and defend the Constitution while violating it knowingly, YES, BARRY SOETORO, aka BArack Obama is guilty of treason. Those giving him cover to remain as head of state under those circumstances are also guilty of treason/treachery against we the people.