SAINT PETERSBURG - SEPTEMBER 05: The first working meeting of G20 heads of state and government, heads of invited states and international organizations. (L - R) President of Indonesia Susilo Bambang Yudhoyono, Australian Foreign Minister Bob Carr, President of the Russian Federation Vladimir Putin, President of Mexico Enrique Pena Nieto, President of Argentina Cristina Fernandez de Kirchner at the G20 summit on September 5, 2013 in St. Petersburg, Russia. The G20 summit is expected to be domina
Things aren't exactly warming up between the Obama administration and Vladimir Putin, even as President Obama arrives in St. Petersburg for the G-20 summit.
Putin called Obama Secretary of State John Kerry a liar over Kerry's testimony this week before Congress.
The question may be al-Qaeda's influence on the Syrian rebels, an issue Kerry has downplayed.
Speaking to his human rights council Wednesday, Putin said, "This was very unpleasant and surprising for me. We talk to them (the Americans), and we assume they are decent people, but he is lying and he knows that he is lying. This is sad."
Putin has criticized Obama administration claims that Bashar Assad's government attacked the rebels with chemical weapons.
Last month, Obama canceled a summit meeting with Putin after a series of U.S.-Russian disputes, including Russia's decision to grant asylum to National Security Agency leaker Edward Snowden.
As for the new flap over Kerry's testimony, the Associated Press reported: