U.S. President Barack Obama was due to depart for Europe on a key visit that takes him to the Baltic country of Estonia and then to Britain for a NATO summit. Obama's visit comes as tensions between Russia and the West have reached levels not seen in decades.
Russia's War Against Ukraine
Radio Free Europe/Radio Liberty: Obama heads to Europe
U.S. President Barack Obama in Tarrytown, N.Y., May 14, 2014. Obama is expected to arrive in Estonia during the evening of September 2.
