The two men said they touched on a wide range of international and regional issues during their private meeting in Helsinki on Monday. But one particular topic has overshadowed the talks: Russia's meddling in the 2016 US presidential election, which has been confirmed by the US intelligence community and Congress.
But beyond this controversial issue, what will be the summit's legacy? And is there a new world order?
Presenter: Laura Kyle | Guests: Joel Rubin - Former US Deputy Assistant Secretary of State; Remi Bourgeot - Associate Fellow at the French Institute of International and Strategic Affairs; Vyacheslav Matuzov - Former Russian Diplomat
