NATO countries are sitting down in Madrid for the second day of a summit that Secretary-General Jens Stoltenberg on Wednesday said will be “historic and transformative,” as the alliance revamps its strategy in response to Russia’s war in Ukraine. The military alliance is expected to unveil a new strategic concept at this summit on Wednesday, which Stoltenberg said will “state clearly that Russia poses a direct threat to our security.” NATO is also expected to carry out its largest increase of defense and deterrence capability since the Cold War. This includes having more combat-ready troops and pre-positioned military equipment stationed in Eastern Europe. Who is a threat to who ?