Bill McKibben: Why Obama and Cancún Miss the Point

Political reality is hard to change, harder than ever since the Supreme Court delivered its Citizens United decision [which allows corporations to donate to politicians directly] and loosed floods of more money into our political world. But physics and chemistry are downright impossible to shift. Physics and chemistry don’t bargain. So the president, and all the rest of us, had really better try a little harder.

(via Instapaper)