PETERSBURG, RUSSIA – SEPTEMBER 06: In this handout image provided by Host Photo Agency, Sergey Lavrov, Minister of Foreign Affairs of the Russian Federation attends a meeting at the G20 Summit at the Constantine Palace at the G20 Summit on September 6, 2013 in St. Petersburg, Russia. Leaders of the G20 nations made progress on tightening up on multinational company tax avoidance, but remain divided over the Syrian conflict as they enter the final day of the Russian summit. (Photo by Roman Yandolin/Host Photo Agency via Getty Images)
