Relations with Russia are tetchy. The impact of Britain's exit from the European Union is unknown. ISIS remains a threat. NATO leaders have a lot to talk about at their summit.
원문출처 : http://www.cnn.com/2016/07/08/europe/robertson-nato-analysis/index.html
원문출처 : http://www.cnn.com/2016/07/08/europe/robertson-nato-analysis/index.html