What would historic US-North Korea meeting mean for diplomacy?

For decades, North Korea has asked for a summit with an American president. Now President Trump says he’s in. What will come of the meeting, if it actually happens?


Photo: A float with effigies of North Korean leader Kim Jong Un and U.S. President Donald Trump is paraded through the crowd during the 134th Carnival parade in Nice, France February 20, 2018. (REUTERS/Jean-Pierre Amet)