 Critics say these one-day summits are talking shops, but today they're talking about how to protect Europe from Russian aggression and American uncertainty. And that talk matters. That's BBC's James Landale. State media say North Korean leader Kim Jong-un has visited a major tourism site. It's being built on the country's eastern coast, discussing steps to open the zone by next year. Kim's visit to the site comes as North Korea continues to block entry by most foreign visitors.