Western Europe’s burgeoning Islamic population continues to spark concerns about Muslim assimilation and a cultural divide.

UN-mediated talks in Syria are jeopardized by disagreement over which opposition parties should participate, but a broader obstacle is whether a compromise over Bashar al-Assad’s future can be reache…

Syria’s civil war poses an expanding threat to the region and beyond. Washington should seize the opportunity that still exists to weaken the Assad regime, writes CFR’s Elliott Abrams.

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. …