Today, China’s President Xi Jinping and North Korea’s leader Kim Jong Un kicked off a two-day summit with the red-carpet treatment. This is the first time in almost 15 years that a Chinese leader has visited North Korea. And some are saying this is China playing mediator between North Korea and the US. We’ll explain why that’s a big deal. Meanwhile, it’s off to the races for the next UK prime minister. Meet your final two contestants: former UK Foreign Secretary Boris Johnson and current Foreign Secretary Jeremy Hunt. We’ll tell you what to expect going forward. Also on today’s episode: a new UN report says more people are displaced than ever before, and a new 21st century problem is a real pain in the neck.