"FILE - In this Monday, Dec. 9, 2013, file photo, former President Bill Clinton speaks at a CGI Clinton Global Initiative Latin America event at the Copacabana Palace in Rio de Janeiro. During Jay Leno's two-decade tenure as NBC's ""Tonight"" show host, the comic has cracked a total of 4,607 jokes at the expense of President Clinton. The Washington-based Center for Media and Public Affairs counted and catalogued nearly 44,000 jokes Leno made about politics and public affairs during his time at ""Tonight,"" which ends Thursday. (AP Photo/Silvia Izquierdo, File)"
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