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Pope Francis laughs while addressing journalists of the papal flight, upon arrival in Rio de Janeiro on July 22, 2013. Pope Francis landed in Brazil on Monday for his first overseas trip as pontiff to attend the international festival World Youth Day in Brazil, the world's biggest Catholic country.    AFP PHOTO/LUCA ZENNARO/POOL        (Photo credit should read LUCA ZENNARO/AFP/Getty Images)
Pope Francis laughs while addressing journalists of the papal flight, upon arrival in Rio de Janeiro on July 22, 2013. Pope Francis landed in Brazil on Monday for his first overseas trip as pontiff to attend the international festival World Youth Day in Brazil, the world's biggest Catholic country.    AFP PHOTO/LUCA ZENNARO/POOL        (Photo credit should read LUCA ZENNARO/AFP/Getty Images)

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    The Pope wants to hear your best joke

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The Pope wants to hear your best joke

Pontifical Mission Societies is asking people to "donate" jokes to the Pope's favorite causes. The funniest "Joke with the Pope" will win $10,000.

The Pope wants to hear your best joke

Pontifical Mission Societies is asking people to "donate" jokes to the Pope's favorite causes. The funniest "Joke with the Pope" will win $10,000.