.....Obama is constructing a strategy for an increasingly complex war he never wanted to enter. And allies in the region are skeptical.... The reluctance of crucial countries like Turkey and Saudi Arabia exposes a big flaw in Obama's plan: He can't "degrade and destroy" ISIS without going into Syria but the U.S. can't beat ISIS in Syria without a ground force.... "The U.S. and the West have avoided the Syrian conflict for two years, essentially permitting the conditions that spawned ISIS," said Clint Watts, counterterrorism expert at the Foreign Policy Institute. The Obama administration's nominal partner on the ground in...