U.S. President Donald Trump meets with Russian President Vladimir Putin at the G20 leaders summit in Osaka, Japan June 28, 2019. President Donald Trump told Russian President Vladimir Putin on Friday not to meddle in the U.S. elections. REUTERS/Kevin Lamarque

U.S. President Donald Trump gestures during a bilateral meeting with Russia's President Vladimir Putin at the G20 leaders summit in Osaka, Japan, June 28, 2019. Trump then turned to Putin to give the directive twice while pointing at the Russian leader. Putin maintained a smile as the remark was interpreted for him. REUTERS/Kevin Lamarque

Russia's President Vladimir Putin and U.S. President Donald Trump look on during a bilateral meeting at the G20 leaders summit in Osaka, Japan, June 28, 2019. Trump and Putin were heading into a meeting on the sidelines of the G20 summit in Osaka, Japan. REUTERS/Kevin Lamarque

Russia's President Vladimir Putin gestures during a bilateral meeting with U.S. President Donald Trump at the G20 leaders summit in Osaka, Japan, June 28, 2019. REUTERS/Kevin Lamarque

U.S. President Donald Trump meets with Russian President Vladimir Putin at the G20 Summit in Osaka, Japan June 28, 2019. REUTERS/Kevin Lamarque

Russia's President Vladimir Putin shakes hands with U.S. President Donald Trump during a meeting on the sidelines of the G20 summit in Osaka, Japan June 28, 2019. Sputnik/Mikhail Klimentyev/Kremlin via REUTERS