At 15, Gabby Chaves isn't old enough to have a driver's license. But he routinely wins formula race car events, reaching speeds
of 150 m.p.h. Is he the next Mario Andretti?
What happens when ordinary people decide to pay it forward? Extraordinary change. See how individuals are making a difference, finding solutions, overcoming adversity, and giving back globally.
Jeremy Gilley, founder of the nonprofit Peace One Day, talks with students at Cambridge Rindge and Latin High School in Cambridge, Mass.