LA Times: Starting Monday, diplomats and scientists, activists and heads of state at the 2015 U.N. climate change conference in Paris will scramble to reach the first truly global agreement on the greatest problem the planet has ever faced. It will make for compelling headlines, but it's not the real story. Because that already happened.
Think back to Copenhagen in 2009 and the last of the great U.N. climate gatherings. There too the world watched expectantly, only to see negotiations break down. No firm...