The death of Hezbollah leader Hassan Nasrallah in an airstrike has dramatically weakened a key Iranian deterrent against its archenemy, Israel.
Iran has long sought to have the proxies it supports in the region — including Hezbollah in Lebanon, Hamas in the Gaza Strip, and forces in Syria, Yemen and Iraq — serve as the front line in its long-running fight with Israel. But if its most important military asset, Hezbollah, has been decimated, it may have no choice but to respond, experts said this weekend.
An Iranian demonstrator holds up a poster of the leader of Lebanon’s........