HORSETHIEF LAKE, Wash. -- Fidelia Andy was a 6-year-old happily running coffee to tribal fishermen at Celilo Falls when the federal government signed a deal with the tribes that flooded the falls and her family's home in the rising waters behind The Dalles Dam. On Friday, more than 50 years later, Andy and other leaders of four Northwest tribes finalized a new $900 million agreement with the federal government that they hope will begin to reverse the damage done by Columbia River system dams. "We Indians gave up so much in the past," Andy, a Yakama tribal leader and chairwoman...