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Secretary of State Hillary Clinton butted heads with her Russian counterpart during a frosty exchange at the United Nations today. The U.S. and Russia split on the best response to the crisis in Syria; both called for an end to the carnage, but with very different ideas about how to accomplish that. Clinton said, "We expect all nations, including Russia and China, to join us now in pressing the Assad regime to silence its guns, to allow humanitarian aid to enter, and to make way for a real political transition." Russian Foreign Minister Sergey Lavrov took a very different view, pointing out that while the Syrian authorities “bear a huge share of responsibility,” al Qaeda extremists and opposition fighters also bear some responsibility for the violence.