The solution of any geometric problem begins with an assumption, and the assumption in this week’s political geometry is that the Supreme Court will overturn the Affordable Care Act that first opponents, then the rest of us, have come to call Obamacare.  This may or may not come to pass.  Judicial history is rife with Supreme Court oral arguments that seem to go one way only for the decision to go another.  The great irony of Obamacare, of course, is that its most controversial provision, and the thing about it that has rallied conservatives against it, was itself a conservative article of faith for the past two decades...