U.S. and Iran weigh diplomacy as warships move toward the Gulf.

U.S. warships have moved toward the Gulf as U.S. and Iranian leaders exchange public threats; whether diplomatic talks will resume is undetermined at this time.

U.S. and Iranian leaders have exchanged public threats while naval forces have moved into the Gulf region. Over recent weeks, U.S. President Donald Trump has repeatedly warned of possible military action, citing Iran's treatment of protesters and concerns about its nuclear program. U.S. military warships have positioned closer to the Gulf. Iran's supreme leader, Ayatollah Ali Khamenei, warned that a strike on Iran would spark broader regional conflict. Key points: - U.S. President Donald Trump has publicly threatened possible military intervention in Iran over domestic repression and nuclear concerns. - U.S. military warships have moved toward the Gulf region. - Supreme Leader Ayatollah Ali Khamenei warned that an attack on Iran would risk wider regional conflict. - Thomas Juneau, a professor at the University of Ottawa's Graduate School of Public and International Affairs, discussed how close the two countries are to re-entering diplomatic talks and the role of regional mediation. Summary: Tensions between the United States and Iran are elevated and have prompted regional concern. Whether this will lead to renewed diplomatic talks or to further military action is undetermined at this time.