A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.
... is no longer either a true or useful statement?
I think I'm probably happy to toss the Third Amendment on a similar basis:
No Soldier shall, in time of peace be quartered in any house, without the consent of the Owner, nor in time of war, but in a manner to be prescribed by law.
Does this speak to the problems that the republic faces today, any more so than does the Second?
Wait till some general presents innovative cost-cutting measures called something like "homes for heroes" that no patriotic American could object to.
It was passed because of what was top-of-mind for the writers in the 1780s. It's dead letter. There has been one case on it in 200 years.
s/dead letter/stable and working as intended/