One thing you can do is to ask U.S. and Israeli air, missile, and drone crews to refuse to attack Iran at DontAttackIran.org.
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David Swanson is the author of "When the World Outlawed War," "War Is A Lie" and "Daybreak: Undoing the Imperial Presidency and Forming a More Perfect Union." He blogs at http://davidswanson.org and http://warisacrime.org and works for the online activist organization http://rootsaction.org(Note: You can view every article as one long page if you sign up as an Advocate Member, or higher).