Taking roller coasters to new heights - CBS News
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Correspondent Lee Cowan reports on how the ups-and-downs of today's amusement park industry are being ridden via new technologies in roller coaster design, including a hybrid wooden-and-steel roller coaster, the New Texas Giant, and the soon-to-open Tormenta Rampaging Run, a "giga dive" coaster, at Six Flags Over Texas.
