Detroit, Boy Wonder, Rescue

|Bob Simon reports on the decline of Detroit, America's former industrial capital, and the people determined to bring it back; then, Meet Jack Andraka, a high school student who at age 15 developed a test that might save countless lives by detecting early pancreatic cancer; and, The untold story of a young, American banker's 1975 return to Vietnam to save his stranded Vietnamese colleagues and their families.

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