A Russian armored vehicle on the road between Simferopol and Sevastopol in Crimea earlier this month. Russia annexed the region two weeks ago. Other Russian forces, across the border from Ukraine, may pull back in coming days. Viktor Drachev/AFP/Getty Images hide caption

itoggle caption Viktor Drachev/AFP/Getty Images

German Chancellor Angela Merkel and President Obama in September at the G20 summit in Russia. She and other leaders have objected after hearing that the NSA was listening to their phone calls. Anton Denisov/Host photo agency/Getty Images hide caption

itoggle caption Anton Denisov/Host photo agency/Getty Images

Russian President Vladimir Putin (far left) looks on Monday in Hanover, Germany, as one of three women who stripped off their tops protests his appearance at a trade fair. German Chancellor Angela Merkel is in the green jacket. Jochen Luebke /EPA /LANDOV hide caption

itoggle caption Jochen Luebke /EPA /LANDOV

French President Nicolas Sarkozy and German Chancellor Angela Merkel in Paris today (Dec. 5, 2011). Lionel Bonaventure /AFP/Getty Images hide caption

itoggle caption Lionel Bonaventure /AFP/Getty Images