Bolton Ruined North Korea Summit, Experts Say

Despite months of hard diplomacy, U.S. envoy Stephen Biegun didn't even get a seat at the negotiating table in Hanoi, where hawkish national security adviser John Bolton had the president's ear.

Trump Tried to Sell Argentina Weapons at G20

President Trump floated the possibility of military purchases, but Argentina's foreign ministry said the country did not have the funds to buy weapons from the U.S.

Trump Will Meet Putin on Sidelines of G-20 Summit

In their first sit-down talk since July, National Security Adviser John Bolton said President Donald Trump wanted to discuss security, arms control and regional issues with Russian President Vladimir Putin.