Washington Examiner: In politics, it rarely pays to be above the fray. So when a billionaire bent on making his mark comes to your movement with open wallet, you welcome him with open arms. That's how Tom Steyer and the environmental community grew to be fast friends. The former manager of a San Francisco hedge fund has pledged $50 million of his own money, and to raise a matching amount, for November's congressional and state elections through his NextGen Climate Action PAC to address what he calls "the generational...