THE Marines may like to look at Jenna Jameson - but only in private. The porn star's boyfriend, ultimate fighter Tito Ortiz, was scheduled to give a speech as a guest of honor in front of 800 men in uniform at a "birthday" ball at the Marine Corps Air Station Miramar in San Diego on Nov. 12. But the pugilist was disinvited after the Marine brass found out he was going to bring Jameson as his date. Ortiz received an e-mail from Maj. Jason Johnston stating, "There is some serious consternation here about having your girlfriend attend our ball....