Nobel Peace Laureate Leymah Gbowee on what it means to be a leader

Ragnar Singsaas | WireImage | Getty Images

Joint winners Yemeni journalist Tawakul Karman, Liberian activist Leymah Gbowee and Liberian President Ellen Johnson Sirleaf hold up their prizes at the Nobel Peace Prize Award Ceremony at Oslo City Hall on December 10, 2011