Iraq Pullout - Do we believe today's Panetta or Yesterday's?

Panetta said we had to pullout because we didn't get a SOFA agreement. Now he says the opposite:

Check it out: http://www.salon.com/2014/10/02/panetta_v_panetta_former_defense_secretarys_conflicting_accounts_of_the_iraq_withdrawal/?source=newsletter

But does it really matter? Hashing the blame for the mess we're in doesn't change the mess were in!

Reality!