Nunes trips on a high wire as chair of House intelligence panel, and Democrats pounce

WASHINGTON — U.S. Rep. Devin Nunes seemed to set his partisan gloves aside when he stepped into the national ring as the new chairman of the House Permanent Select Committee on Intelligence in 2015. Now, upending the committee’s most politically sensitive investigation, the 43-year-old California Republican has antagonized the panel’s Democrats, who until now have worked…