U.S.-North Korea summit: “If it’s not a success, I will respectfully leave,” President Donald Trump said Monday, April 30.

President Donald Trump says he’s hopeful that talks with North Korea’s leader will end that nation’s nuclear weapons program, but that “if it’s not a success, I will respectfully leave.”

Protests erupt in South Korea as a delegation from North Korea arrives ahead of the Winter Olympics. Can Olympic diplomacy defuse the threat of war on the Korean Peninsula?

North Korea is warning of a nuclear attack against the United States. We look at how realistic the threat is, and how things have escalated in the Democratic People's Republic of Korea.