A group tied to the Koch brothers political network is leaving some uncertainty on whether it will continues its advertising campaign attacking Sen. Jeff Merkley, D-Ore., all the way through the November election.
Jeff Mapes | jmapes@oregonian.com, Portland Oregonian: Local
Fri, 09/05/2014 - 5:50pm
A group tied to the Koch brothers political network is leaving some uncertainty on whether it will continues its advertising campaign attacking Sen. Jeff Merkley, D-Ore., all the way through the November election.