Americans may never agree on what the Second Amendment means, or what role the U.S. military should play in the world. But those who want to see fewer guns and bombs can go beyond angry Facebook posts and vote with their money, using a new online tool called Weapon Free Funds. Created by activist organizations As You Sow and Codepink, the project analyzed 3,000 of the most popular U.S. mutual funds for their investment in weaponry.