He can try but, his BS would unravel under the intense scrutiny. Who would believe him Obama...but the extreme leftist Koolaid drinkers.
His credibility is somewhere south of Joe Isuzu now. Every time he opens his mouth, BS spews out. Nobody except butt-kissers will believe anything he says about this.
All his radical legislation and humiliating behavior abroad has made him a lot of enemies. I have a hunch more hidden evidence will start to show up as the anti-Obama snowball starts to roll.