How do you do? https://systcom.com.co/stmap_83nt6gw.html side effects of stendra Last year, Obama said the use of chemical weapons in Syria would cross a "red line," and now, assuming that's what happened, the world braces for what's next. GlobalPost's senior foreign affairs columnist and former US diplomat extraordinaire Nicholas Burns weighs in on how important it is for America to respond, and exactly what that response should be.