Are you ready for the leadership moment?

Merck's Roy Vagelos commits millions of dollars to develop a drug needed only by people who can't afford it .

Eugene Kranz struggles to bring the Apollo 13 astronauts home after an explosion rips through their spacecraft .

Arlene Blum organizes the first women's ascent of one of the world's most dangerous mountains .

Joshua Lawrence Chamberlain leads his tattered troops into a pivotal Civil War battle at Little Round Top .

John Gutfreund loses Salomon Brothers when his inattention to a trading scandal almost topples the Wall Street giant .

Clifton Wharton restructures a $50 billion pension system direly out of touch with its customers .

Alfredo Cristiani transforms El Salvador's decade-long civil war into a negotiated settlement .

Nancy Barry leads Women's World Banking in the fight against Third World poverty .

Wagner Dodge faces the decision of a lifetime as a fast-moving forest fire overtakes his firefighting crew"