The Food and Drug Administration has granted a breakthrough status to Duke University following a cancer treatment trial with a successful outcome. Scott Pelley shares the story of a young woman who was diagnosed with a rare brain tumor -- and how she beat the odds with an unconventional therapy. In his first televised interview, Xiaoxing Xi, a Chinese-American citizen, sits down with Bill Whitaker and shares his story about being wrongly accused of economic espionage-related crimes for China -- and how it affected his career as chair of Temple University's physics department.
