Troop Casualties and Traumatic Brain Injuries

Entering the 5th week of the war, President Trump insists that talks are happening with Iran, as Iran denies them.

American troops hit a sobering milestone with more than 300 troops wounded, many with sustaining traumatic brain injuries.

The Strait of Hormuz, still a center point in the conflict, ABC News Chief Foreign Correspondent Ian Pannell unpacks questions Americans have about the war with Iran.

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