Eight days before a tough primary, U.S. Rep. Jaime Herrera Beutler found herself standing on top of a wastewater treatment plant in Washougal, a small town in her district in southwest Washington state. Her opponents had spent the weekend staging town halls and glad-handing, but the congresswoman said she's focused on her job. That focus brought her to the plant, where Washougal staff thanked her for securing $1 million in federal funds to buy and install something called an anoxic selector. "That's how you say it?" she said with a laugh. "I'm not going to lie, I can read it....