Last year, Russia intervened militarily in the Middle East and increased military provocations in the Baltic Sea Region. NATO members increased temporary presence in eastern allies through military exercises, but lack consensus to address the absence of Alliance infrastructure in NATO’s newest members. After another tumultuous year in European security, here are the ten most popular stories on our website in 2015:
Image: Secretary of State John Kerry, Dec. 2, 2015 (photo: Department of State)