WARSAW, Poland - For NATO, its two-day summit beginning on July 8 may be the most crucial since the Cold War. Alliance leaders will tackle an unprecedentedly complex set of challenges in search of ways to better guarantee their nations' security. Here are some key challenges, and what NATO heads of state and government are expected to do about each.
Associated Press: For NATO, key challenges range from Russia to missiles
This picture shows the National Stadium in Warsaw, Poland, on July 7, 2016, the venue of the upcoming NATO summit.
