Dealing with Putin: How to Keep US-Russian Tensions from Going Critical via National Interest

Russian ‘Deniable Intervention’ in Ukraine: Why and How Russia Broke the Rules via Chatham House 

Obama Calls Out Russia: ‘You Don’t Invade Other Countries’  via New York Times

Poroshenko Says Ukraine Prepared for ‘Total War’ as Casualties Mount via Kyiv Post

Eastern Ukraine Braces for ‘Full-Scale War’ via Daily Beast

Dangerous Brinkmanship: Close Military Encounters between Russia and the West in 2014  via  European Leadership Network

New Video of MH17 Downing Shows Aftermath of Crash in Ukraine via ABC News