What is the O.P.C.W., and Can It Referee on Chemical Weapons in Syria?

[news]

The Organization for the Prohibition of Chemical Weapons is to rule on whether chemical attacks were used in a Damascus suburb. Is it up to the job?

More... (https://www.nytimes.com/2018/04/17/world/middleeast/opcw-syria.html?partner=rss&emc=rss)