File photograph of former U.S. President Bill Clinton and wife, U.S. Secretary of State Hillary Clinton at the Clinton Global Initiative 2012 in New York

 
File photograph of former U.S. President Bill Clinton and wife, U.S. Secretary of State Hillary Clinton at the Clinton Global Initiative 2012 in New York
Former U.S. President Bill Clinton (R) kisses his wife, U.S. Secretary of State Hillary Clinton, as he introduces her before her speech at the Clinton Global Initiative 2012 (CGI) in New York in this September 24, 2012 file photograph. REUTERS/Lucas Jackson/Files