Finance in the Heartland: Polk County, Iowa

Aug. 28 (Bloomberg) -- Principal Financial Group CEO Larry Zimpleman discusses how certain demographics are expected to vote. He speaks with Trish Regan on Bloomberg Television's "Street Smart." (Source: Bloomberg)
SpaceX Rocket Explosion: What Went Wrong?
15:30 - Lori Garver, general manager of the Air Line Pilots Association and former deputy administrator at NASA, Chris Hadfield, astronaut and author, and Revolution Ventures' Clara Sieg discuss the explosion of a SpaceX rocket minutes after takeoff, the second failure in the U.S. program in less than a year. They speak with Bloomberg's Cory Johnson on "Bloomberg West." (Source: Bloomberg)
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