Daniel Kurtzer, former U.S. ambassador to Israel, says the West should be flexible enought to preserve political engagement with the Palestinian Authority.

Counterterrorism expert Daniel L. Byman says Hezbollah is "the most powerful single political movement in Lebanon" and remains a potent guerrilla force.

Interreligious cooperation is central to facilitating transitional justice and reconciliation in Syria, says expert Daniel Philpott.