In this Jan. 29, 2019, photo, U.S and North Korean flags are on display for sale at a flag shop in Hanoi, Vietnam. Vietnam's selection as the venue for the second summit between U.S. President Donald Trump and North Korean leader Kim Jong Un is largely a matter of convenience and security, but not without bigger stakes.
In this Jan. 29, 2019, photo, U.S and North Korean flags are on display for sale at a flag shop in Hanoi, Vietnam. Vietnam's selection as the venue for the second summit between U.S. President Donald Trump and North Korean leader Kim Jong Un is largely a matter of convenience and security, but not without bigger stakes. Hau Dinh AP Photo
In this Jan. 29, 2019, photo, U.S and North Korean flags are on display for sale at a flag shop in Hanoi, Vietnam. Vietnam's selection as the venue for the second summit between U.S. President Donald Trump and North Korean leader Kim Jong Un is largely a matter of convenience and security, but not without bigger stakes. Hau Dinh AP Photo