Sen. Ron Wyden, D-Ore., seen in the center wearing black, tours Hanford's vitrification plant in 2013.
Sen. Ron Wyden, D-Ore., seen in the center wearing black, tours Hanford's vitrification plant in 2013. Tri-City Herald file
Sen. Ron Wyden, D-Ore., seen in the center wearing black, tours Hanford's vitrification plant in 2013. Tri-City Herald file