Guardian: By chance, just a few days before the US election, I picked up a copy of Richard Cohen’s Washington at Work, a book documenting the nearly decade-long debate over the 1990 Clean Air Act, and which I planned to read post-election in preparation for what I figured would be next year’s battle over climate legislation. The book highlights the antagonistic relationship between two major forces in the House Democratic caucus – the curmudgeonly, industry-friendly Michigan representative John …