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.

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.

The crisis in Crimea may represent something more than just another low point in Moscow’s relations with the United States and its allies, says Russia expert John R. Beyrle.

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.

With the annexation of Crimea and rhetoric about protecting Russians in the near abroad, President Vladimir Putin has helped launch a new stage of relations that poses threats to Russia’s neighbors a…