A top U.S. State Department official on Balkan policy says Serbia must begin participating in final talks over the conditional independence of Kosovo or face increased isolation from Europe.

Jeb Bush says action by Congress on immigration reform faces more favorable conditions than previous attempts, but the complexity of the reforms needed remain a challenge.

New strains in the Israeli-Turkish relationship stem from Turkey’s concerns over conditions in Gaza and sloppy diplomacy on both sides, says CFR’s Steven A. Cook.

The search for evidence of chemical weapons in Syria is painstaking and hampered by harsh conditions, but could yield decisive findings as debate over military action intensifies, says expert Amy E. …

As the United States plans to spur Mideast peace efforts, CFR expert Elliott Abrams says progress in the Israeli-Palestinian conflict will come through development and building a legal system in the …