The United States and Poland have signed a deal to boost U.S. troop numbers in the country and to create a permanent U.S. base there. It follows an earlier U.S. decision to withdraw some troops from Germany. As Henry Ridgwell reports, many European allies see it as a political move following disputes over defense spending among NATO allies – but others argue the redeployment is essential to meet threats from Russia.
Camera: Henry Ridgwell Produced by: Barry Unger