Why Russia don't take "restrictive steps" agains USA: to start with destroy all americans in Syria. After all, Syria inviter Russians, not americans. So the presence of US is illegal, is the crime. So why Russia do not help Syria with C400, So that any US or NATO (or Israel plane would be destroyed is invade Syria), or even help to create nuclear, or at least lend then couple. That would be restricted steps. Malo ne pokazhetsia. | 
