Also...

...it was Hillary, who was a nasty war-monger and willing to do anything to maintain a "tough" image, who threatened to nuke Iran if they made a move against Israel, not Obama. Obama has also been supportive of Israel (try to find me ONE U.S. politician who actually defies the pro-Israel lobby today) but I think he is much less likely to take the U.S. to war with Iran than either Hillary or McCain, and it will be much more likely for progressives to steer Obama clear of war than the other two I mentioned.