Tuesday on the News Hour, the U.S. retaliates against Iran after an American helicopter is downed. Maine's turbulent primary race sets up a general election with major implications. Plus, the world's largest hunger crisis worsens in Sudan, where a civil war now entering its fourth year has already left resources in short supply.

Tuesday on the News Hour, the U.S. retaliates against Iran after an American helicopter is downed. Maine's turbulent primary race sets up a general election with major…

Wednesday on the News Hour, the U.S. launches new strikes against Iran after President Trump accused it of dragging its feet on negotiations to end the war. As the conflict goes…