U.S. Defense Secretary Chuck Hagel (center R) and Canada's Defense Minister Rob Nicholson (center L) walk with Mexico's General Salvador Cienfuegos Zepeda (L) and Admiral Vidal Francisco Soberon Sanz ... more 
U.S. Defense Secretary Chuck Hagel (center R) and Canada's Defense Minister Rob Nicholson (center L) walk with Mexico's General Salvador Cienfuegos Zepeda (L) and Admiral Vidal Francisco Soberon Sanz (R) after an official reception in Mexico City April 24, 2014. REUTERS/Shannon Stapleton (MEXICO - Tags: MILITARY POLITICS) less 
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Reuters | Photo By SHANNON STAPLETON / Reuters
Thu, Apr 24, 2014 12:19 PM EDT