First, collect from them all the penalties for unpaid parking tickets.
Then, revoke diplomatic immunity for all the other crimes they committed.
Then topple the monolithic monstrosity into the East River, and restore the valuable real estate presently occupied by worthless yahooes to the rightful owners, the American people.
And then NEVER replace a totally useless entity with another. Replacing the League of Nations with the United Nations should have been a perfect example for anyone who is not inflicted by permanrnt insanity.