LA Times: The fight over a November ballot initiative to suspend California’s global warming law has escalated sharply with the Koch brothers, oil billionaires and “tea party” backers, making a million-dollar entry into the fray. The contribution to the campaign for Proposition 23 came Thursday from a subsidiary of Wichita, Kan.-based Koch Industries, the nation’s second-largest private company (after the agribusiness giant Cargill). A spokeswoman for the subsidiary, Flint Hills Resources, said …