Richard C. Holbrooke, the architect of the Dayton Accords that ended the Bosnia war, says Russia’s uncooperative attitude in Kosovo combined with western inaction could spark renewed conflict.

Charles A. Kupchan, CFR’s top Europe expert, says with Kosovo on the cusp of announcing independence, he finds the continued Russian opposition “perplexing.”

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.