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?