What exactly does "slam dunk" mean in this sentence??
Officials Warn Syria Chemical Weapons Intel Is ‘No Slam Dunk’
— http://world.time.com/2013/08/29/officials-warn-chemical-weapons-intel-is-no-slam-dunk/
Answer
A “slam dunk” is a term from basketball; it is a particularly easy shot, one that is difficult to miss. Thus “no slam dunk” means “not obvious, not simple, not particularly easy”.
Attribution
Source : Link , Question Author : Derfder , Answer Author : Peter Flom