The war the U.S. and Israel launched has come to a fragile pause with a preliminary agreement between Washington and Tehran, but it has already diminished America’s presence in the region, prompting Gulf countries to seek a new modus vivendi with Tehran, while Israel, isolated and angry, is clinging on to its Lebanon card.

From the rise of devastating asymmetric warfare to the crumbling of the US maritime hegemony and alliances, the war offers food for thought.

The war the U.S. and Israel launched has come to a fragile pause with a preliminary agreement between Washington and Tehran, but it has already diminished America’s presence in…