Ukraine may be heading for the type of frozen conflict that occurred in Georgia, Azerbaijan, and Moldova immediately after the breakup of the Soviet Union, says CFR’s Stephen Sestanovich.

The Obama administration should encourage moderate Sunni rebels to find common cause with the Assad regime in eliminating the threat from radical jihadists, says CFR’s Leslie H. Gelb.

The interim Iran nuclear agreement buys some crucial time for deeper talks but significant divisions remain over the future scale of the country’s program, says expert David Albright.

With air strikes now underway in two countries, Washington must pursue a sustained campaign against ISIS militants, with initial emphasis on routing them in Iraq, says expert Ryan Crocker.

Robert E. Hunter, a former U.S. Ambassador to the North Atlantic Treaty Organization, says Georgian President Mikheil Saakashvili miscalculated by sending troops into South Ossetia in mid-August, but…