Iran's top general has issued a formal message to the US military via Russian officers warning that American occupation in Syria will mean "the doors of hell will open up".
http://www.zerohedge.com/news/2017-12-09/irans-revolutionary-guard-sends-formal-message-us-military-leave-syria-or-else

Realist - Everybody in America is soft, and hates conflict. The cure for this, both in politics and social life, is the same -- hardihood. Give them raw truth.