My very own own Senator Ed Markey, along with California Congressman Ted Lieu, has created a bill that would require authorization from Congress (either as a declaration of war or the more-common- of-late authorization of force) before a nuclear strike.
This is a wonderful bill for a number of obvious reasons; it's HR 699/S 200. (House/Senate version. House text
If you are so inclined, call your Senators and Congressfolk to urge them to pass it. (202) 224-3121, or use Resistbot. (Text the word "resist" to 50409 to begin.)
Rachelmanijia has more info, a script, and other ideas here
, and the campaign is hashtagging it up at #PullTheFootball, if you're Twitter-inclined.
If you're not American, feel free to share the info around anyway; the more folks who get this info, the better.