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The safety questions facing America's roller coasters

A deadly incident at Six Flags in Georgia is raising new questions about roller coaster safety. Experts say inconsistent safety standards and a so-called roller coaster loophole limit federal oversight of amusement park rides. Skyler Henry reports.

Elizabeth Holmes & Theranos | 60 Minutes Archive

Elizabeth Holmes claimed her start-up, Theranos, would revolutionizing blood testing, taking a pin-prick of blood and performing hundreds of laboratory tests. But as Norah O'Donnell reported in 2018, Theranos' machine never delivered on its promise, and Holmes is currently serving an 11-year prison sentence for…