Continuing demonstrations in Ukraine after the failure of a "no confidence" vote in Parliament suggest fierce opposition to closer ties with Moscow, says CFR’s Stephen Sestanovich.

A decisive U.S. response to Russian provocation in Ukraine could create new opportunities for the United States to make headway on a number of fronts in the Middle East, says expert Dennis Ross.

The history of frozen conflicts in some of Russia’s neighboring areas signals trouble for Ukraine’s efforts to reintegrate its secessionist regions, says expert Charles E. King.

Russia’s president is now seen by many in the West as an international outlaw for his actions in Crimea, and his intervention could still expand, says CFR’s Stephen Sestanovich.

Ukraine’s May 25 elections will likely proceed amid attempted disruptions by separatists in the east and U.S. officials should be prepared to bolster support for the government, says former ambassado…