Russian President Vladimir Putin speaks in front of the map of the Russian Federation, with Crimea on the left of the map, during his annual news conference in Moscow, Russia, on Thursday. The Kremlin has responded angrily to the latest round of U.S.-EU sanctions over the annexation of Crimea. Alexei Druzhinin/AP hide caption

itoggle caption Alexei Druzhinin/AP

President Obama speaks during a joint news conference with Philippine President Benigno Aquino III at Malacanang Palace in Manila, Philippines, on Monday. Obama said the U.S. and EU were planning new economic sanctions against Russia. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP