U.S. Secretary of State John Kerry (C) meets with Britain's Prime Minister David Cameron (R) and Kerry's counterpart William Hague at Number 10 Downing Street in London March 14, 2014. Kerry will seek... more 
U.S. Secretary of State John Kerry (C) meets with Britain's Prime Minister David Cameron (R) and Kerry's counterpart William Hague at Number 10 Downing Street in London March 14, 2014. Kerry will seek assurances from Russia on Friday that it will not seek to annex Crimea and will address concerns over Ukraine through negotiation, a senior State Department official said before the talks in London. REUTERS/Ben Stansall/pool (BRITAIN - Tags: POLITICS) less 
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Reuters | Photo By POOL / REUTERS
Fri, Mar 14, 2014 6:52 AM EDT