[The US government rejects the idea, advocated by Moscow, of cooperating with Syrian President Bashar al-Assad to fight Islamic State, and has warned Syria not to interfere in its air campaign.]
Some air campaign, three out of four sorties don’t release their ordnance. Obama needs to get out of the way and let the killers kill the killers.
That is not true. The US bombing campaign is good at dropping lots of expensive weapons over and over again. Occasionally, they even kill bad guys.