Oregonian: Houston-based Horizon Wind Energy has placed two wind-testing towers in the expansive Pueblo Mountains of Harney County, part of the vanguard of wind power development on Oregon’s public lands. FIELDS — Anchored among clumps of sage and purplish lupine, the guy wires of a solitary weather tower thrum with wind heading in a hurry toward Idaho and Nevada. “They say that in the summer it shouts, but in the winter it screams,” Elon Hasson said of the wind on southeast Oregon’s Pueblo …