Shaping NATO From the Outside

In the lead-up to the NATO summit set to begin on Friday in Warsaw, U.S. Secretary of State John Kerry has been in active diplomatic mode, visiting two countries that, at first glance, might seem unlikely priorities. Kerry spent Wednesday and Thursday in the former Soviet states of Georgia and Ukraine -- neither of which is in the bloc -- to discuss security issues with the countries' leaders. Though neither is likely to top the agenda at the upcoming summit, both stand to play an important role in the Russia-West standoff in the coming months....