Cycle of revenge: What’s next after killing of Iran general?

The unprecedented killing of Iran’s top general in a U.S. airstrike in Iraq has sent shockwaves across the Middle East, with Iran and its allies vowing revenge amid fears of an all-out war. The targeted attack on Friday could give them pause by signaling that the mercurial President Donald Trump is willing to wield U.S. military power in dramatic and unforeseen ways. The slain general, Qassem Soleimani, was a towering figure who mobilized heavily-armed militias across the region against the United States and its allies, extending Iran’s influence to the Mediterranean.