Human-rights activist Rigoberta Menchu says she plans to run for president of Guatemala this fall. If elected, she will be the country's first female head of state, as well as the first Maya to hold the office. Menchu is no stranger to accomplishment. In 1992 she won the Nobel Peace Prize for her work defending indigenous peoples. She wouldn't be the first Peace Prize winner to make the leap to politics.
THE MEDIATOR
Lester Bowles Pearson is best known as Canada's 14th Prime Minister. But before that he was a 1957 Nobel laureate, winning for work at the U.N. that helped diffuse the...