A reckless new ambition to dismantle Hezbollah has taken hold in the White House and Knesset. Rather than a reasoned calculation based on probable outcomes, this shift appears to have come over policymakers while drunk on Israel’s killing of more than 25 Hezbollah leaders last month, which came atop sabotage operations that wounded thousands of the group’s rank-and-file. Clearer heads would have recognised the turn toward the abyss this new aspiration entails and how its proponents fundamentally misunderstand Hezbollah, Lebanese society, and the country’s political fabric. At best, these effor…