SAINT PETERSBURG - SEPTEMBER 05:  President of the Russian Federation Vladimir Putin helps Chancellor of Germany Angela Merkel with a coat as they watch the musical fountain show during the G20 summit on September 5, 2013 in St. Petersburg, Russia.  The G20 summit is expected to be dominated by the issue of military action in Syria while issues surrounding the global economy, including tax avoidance by multinationals, will also be discussed during the two-day summit.  (Photo by Sasha Mordovets/Getty Images)