South Africa's former president Frederik Willem de Klerk (L) and Poland's former president Lech Walesa attend a news conference one day ahead of the 13th World Summit of Nobel Peace Prize Laureates in... more 
South Africa's former president Frederik Willem de Klerk (L) and Poland's former president Lech Walesa attend a news conference one day ahead of the 13th World Summit of Nobel Peace Prize Laureates in Warsaw October 20, 2013. REUTERS/Kacper Pempel (POLAND - Tags: POLITICS) less 
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Reuters | Photo By KACPER PEMPEL / REUTERS
Sun, Oct 20, 2013 11:13 AM EDT