[matthewdgreen]

I don’t think either of these things requires more than a vote of Congress and the President’s signature. DC might, because of its unique Constitutional status and the current partisan Court, but there’s no argument for PR. You would have to abolish the filibuster, but Congress can do that once per session by majority vote — it’s just a legislative rule and not a Constitutional mechanism.

[pear01]

I mean even if we accept the premise the problem is if you start to engage with this game then the next Congress can do it too.

Pretty soon you'll have "Middle Dakota". And on and on.

At a certain point the USA is going to have to address its structural issues - the founders foretold of this necessity. It's why the amendment process exists in the first place.