Ban unable to change Putin's mindTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMarkus Reher05/17/2013May 17, 2013UN Secretary General Ban has asked Syrian leader Assad to allow observers into his country to check for the use of chemical weapons. While Russia supports Ban, it has made clear it intends to send modern weapons to Syria.https://p.dw.com/p/18aBgAdvertisement