Trump's North Korean tightrope
President Trump has thrust himself into a precarious diplomatic situation by unexpectedly agreeing to meet in the coming weeks with Kim Jong-un.
The big questions: North Korea put a lot on the table, according to South Korean officials — denuclearization, a testing freeze and acceptance of U.S.-South Korea military drills. The U.S. hasn't even made its opening bid. So what does Trump choose to believe from Kim, and what's he willing to offer to make a deal?