Finally, at 9 pm Eastern Time on Friday, President Trump announced that targeted strikes will be made against Syria by the United States, joined by Britain and France. Yes, the use of chemical weapons is evil, and a red line. (Dozens of people died in a suburb of Damascus in the latest such attack). But surely we can all agree that war is evil, too. The last comprehensive number of casualties, widely accepted internationally — 470,000 dead — was issued by the Syrian Center for Policy Research in 2016.