[caption id="attachment_55243737" align="aligncenter" width="620"] US defense secretary Chuck Hagel (R) listens as Joint Chiefs of Staff chairman Gen…

[caption id="attachment_55244818" align="aligncenter" width="620"] Trucks and APCs beloning to the Egyptian riot police are parked in the main street…

[caption id="attachment_55249249" align="alignnone" width="620"] Russian Foreign Minister Sergey Lavrov (C) meets Iranian Foreign Minister Mohammad…

[caption id="attachment_55248998" align="alignnone" width="620"] Russian President Vladimir Putin (L) greets US President Barack Obama during an…

[caption id="attachment_55248650" align="alignnone" width="620"] United States Secretary of State John Kerry (L) departs Montreux on January 23, 2014…

[caption id="attachment_55248097" align="alignnone" width="620"] A picture taken on January 20, 2014 in Montreux shows the place of the Iranian…

[caption id="attachment_55247644" align="alignnone" width="620"] US President Barack Obama at the James Brady Press Briefing Room of the White House…

[caption id="attachment_55246183" align="alignnone" width="620"] Iran's and world powers' delegations sit prior the start of two days of closed-door…

[caption id="attachment_55245592" align="alignnone" width="620"] Russias President Vladimir Putin walks past US President Barack Obama as he arrives…

[caption id="attachment_55245048" align="aligncenter" width="620"] In this handout image provided by the U.S. Navy, The USS Barry launches a Tomahawk…