Vice President Joe Biden, left, and Secretary of the Interior Sally Jewell take a tour of the CityArchRiver project at the Gateway Arch on Tuesday, May 13, 2014, in St. Louis. Following them are Sen. Michael Bennet (D-Colo.), from left to right, Sen. Dick Durbin (D-Ill.) and St. Louis Mayor Francis Slay. (AP Photo/Whitney Curtis)
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