Iran War: Casus Belli Mapped

Cheney has spelled out the casus belli: Isreal will attack one of Iran's nuclear facilities. Iran will retaliate against Isreal, and the United States will "have no choice but to defend itself."[1] Iran, on the other hand, thinks it's not such a good idea: "They will regret it, as they are regretting it in Iraq." [2]