Iran says this. The U.S. says that. A look at the trickiest issues in the unresolved conflict

The U.S. and Iran remain divided over an interim deal as they race to finalize a permanent peace agreement by mid-August, with disputes over the Strait of Hormuz and military strikes complicating negotiations. Both sides have conflicting statements on meeting schedules, with the U.S. claiming a meeting is set for Doha while Iran denies any planned talks.