President Donald Trump heads to a two-day NATO summit in Europe laden with uncertainty. Iran’s response to U.S. air strikes, the fate of Russia’s invasion of Ukraine and the future of U.S. troops based in NATO countries are all up in the air.

Trump heads to NATO summit with demands for higher defense spending as Iran and Russia loom

President Donald Trump heads to a two-day NATO summit in Europe laden with uncertainty. Iran’s response to U.S. air strikes, the fate of Russia’s invasion of Ukraine and the future of U.S. troops based in NATO countries are all up in the air.