The ultimate success of the U.S. and Israeli strikes, and so Trump's decision to intervene militarily, depends on how Iran chooses to react. Some analysts fear this action will accelerate Iranian efforts to build a nuclear weapon, with hardliners in Tehran now viewing it as an urgent priority.

Trump's administration spent months trying to convince Tehran to enter into a nuclear deal before it joined a bombing campaign spearheaded by Israel.

White House envoy Steve Witkoff is planning to meet Iranian Foreign Minister Abbas Araghchi in Oslo next week to restart nuclear talks, according to two sources familiar with the discussions. Why it matters: The sources said a final date hasn't been set,