Some things to know about Kim Yong-chol and Mike Pompeo

North Korea’s former spy chief Kim Yong-chol and US Secretary of State Mike Pompeo met in New York to discuss the prospects of a historic Trump-Kim summit. Scheduled to take place in Singapore, the meeting between Trump and Kim Jong-un would be the first of its kind between sitting US and North Korean leaders. Here are five things about the two top officials who are trying to pave the way for the deal.