WASHINGTON (Reuters) - It's not a particularly strategic location, the United States and its allies never pledged to defend it, and few people outside the region had even heard of it before this month.
But the symbolism of U.S.-led airstrikes failing to stop Islamic State militants from overrunning the Syrian city of Kobani could provide an early setback to U.S. President Barack Obama's three-week old Syria air campaign - far beyond its battlefield importance.
