If the US is drawn into a war with Iran, Obama will be reelected. It is that simple. Americans don't change Presidents if the current one wants to run, during a war. Look up the history. During war, if the President runs, he's reelected - party matters not. America rallies to its Presidents when in a war.
Wounded Israelis in suspected car-ramming attack in West Bank are soldiers (Haaretz)
from the article: Israeli warnings on Iran war are more than empty threats