NATO’s response to Russia’s annexation of Crimea may require it to bolster eastern European members with both military and non-military actions, says expert Christopher S. Chivvis.

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.

Negotiating a Russian withdrawal from Crimea is still possible, but U.S. and Western leaders have options to strengthen Ukraine if the situation worsens, says CFR President Richard N. Haass.

At a crucial moment for Ukraine and its economic viability, the EU and United States should join efforts with Russia to try to stabilize the country, says veteran journalist Serge Schmemann.

Ukraine faces descent into prolonged civil conflict unless a political deal can be forged among ruling party moderates, oligarchs, and opposition leaders, says expert Adrian Karatnycky.