FILE - This June 3, 2011, file photo, shows the Bonneville Dam on the Columbia River near Cascade Locks, Ore. Politicians from both major U.S. parties are praising a decision to start negotiations early next year over the future of a treaty between America and Canada that governs hydropower and flood control operations along the Columbia River, which starts in British Columbia and flows into the U.S., eventually ending at the Pacific Ocean.(AP Photo/Rick Bowmer, File)
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