Over the strenuous objections of NATO, the United States and European Union, Turkey takes delivery of an advanced Russian missile system.

Russian President Vladimir Putin meets with President of Turkey Recep Tayyip Erdogan in 2017. (photo: Kremlin)

When then-Presidential candidate and moderate Republican Mitt Romney was asked during a 2012 debate what he considered would be America’s number one geopolitical threat over the next decade, he answered Russia.