Former President Bill Clinton, right, shakes New Jersey Gov. Chris Christie's hand as he arrives on stage during the Clinton Global Initiative (CGI) Meeting in Chicago, Friday, June 14, 2013. Clinton ... more 
Former President Bill Clinton, right, shakes New Jersey Gov. Chris Christie's hand as he arrives on stage during the Clinton Global Initiative (CGI) Meeting in Chicago, Friday, June 14, 2013. Clinton and Christie spoke during a closing session titled "Cooperation and Collaboration: A Conversation on Leadership." (AP Photo/Scott Eisen) less 
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Associated Press | Photo By Scott Eisen
Fri, Jun 14, 2013 6:31 PM EDT