The second North Korea summit: How we got here
By Roey Hadar and Emilie Plesset
Gwen Ifill Fellows
President Donald Trump and North Korean leader Kim Jong Un met for a second nuclear summit in Vietnam this week but failed to come to a deal. At the June summit, the North Korean leader, "reaffirmed" his promise to work towards denuclearizing the Korean Peninsula. American officials had aimed to get the North Koreans to agree to denuclearize in exchange for relief from sanctions and possibly sign a declaration formally ending the Korean War, which came to a ceasefire in 1953 but has never formally been declared to have ended, but the two sides could not come to an agreement.
Here’s a look back at how the U.S.-North Korean relationship got to this point.