> a vague, antique formulation which made a certain sense for 150 years or so

It is conceivable - barely - that some future Supreme Court might somehow modify the current interpretation of the Second Amendment.   But then you'd "have millions of angry gun nuts who have been stockpiling guns for years, and who have vowed to resist any such attack on their 'rights'."

It was widely claimed in 2008 that Obama would come with jackbooted thugs to confiscate licensed guns. Six years later no thugs, but folks is still a-watchin' an' a-waitin'.

(Maybe I should have said "the folk." You'll remember them from other threads.)