Iran’s fragile US deal faces delays, rising Israel-Hezbollah clashes and nuclear, sanctions and regional security hurdles. Here’s what could happen next.

With the specifics of the U.S.-Iran deal still unclear, Israel continues strikes in Lebanon and shippers face mixed messages on the Strait of Hormuz.

Tensions are rising once again on the Lebanon-Israel front as fresh strikes, rocket fire and competing diplomatic messages threaten to complicate the emerging U.S.-Iran…