U.S.-backed opposition forces in Syria’s largest city are facing a ferocious Russian-led assault, raising fears that the rebels could be eliminated in a matter of weeks.

So how are the Pentagon and the intelligence community responding?

By catfighting among themselves.

Two Department of Defense officials told The Daily Beast that they are not eager to support the rebels in the city of Aleppo because they’re seen as being affiliated with al Qaeda in Syria, or Jabhat al Nusra. The CIA, which supports those rebel groups, rejects that claim, saying alliances of convenience in the face of a mounting Russian-led offensive have created marriages of battlefield necessity, not ideology. […]