NATO Secretary General Jens Stoltenberg NATO Secretary General Jens Stoltenberg outlines a preview of the Madrid Summit for reporters at the alliance’s headquarters in Brussels. Leaders attending the summit will discuss challenges and threats posed by Russia and China and are slated to discuss Finland and Sweden’s bid for NATO membership. SHARE IMAGE: Download Image: Full Size (0.68 MB) Photo By: NATO, Courtesy Photo VIRIN: 220627-D-D0439-001.JPG Photo Gallery