Earlier this month, I spoke with Bertrand Piccard, one of the founders and pilots of Solar Impulse, the plane that runs completely on solar power, after he had flown from San Francisco to Phoenix on the first leg of a multi-stop journey across America. Last week, the team completed the second leg, with Andre Borschberg (the other founder and pilot) flying Solar Impulse from Phoenix to Dallas. With their next stop in St. Louis in the next 7-10 days, Andre joined me on KTRS to discuss the project, the details of his trip, and the challenge of flying solo for 20 hours (without autopilot).

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