It wasn’t very long ago that President Obama would jeer at Republicans for the many congressional votes they had taken to amend or repeal his healthcare law. But, much though he loves to jeer — his shameful and unpresidential fit of pique about GOP concerns on terrorists camouflaged as refugees, was a recent example — the president may soon beg them for a few more such votes. Because as its sixth birthday approaches, his health insurance law is in critical condition.