Sen. John McCain made a climate speech Monday in which he argued that doing something about climate change is a "test of foresight, of political courage, and of the unselfish concern that one generation owes to the next." His timing is curious. "Ignore that man behind the curtain," his speech seemed to be saying. "You know, the man who is beating up on Sen. Barack Obama for refusing to support his gas-tax holiday proposal; the one who will be making it easier for Americans to consume greater amounts of carbon-rich fossil fuel." Of course, it is hard to ignore the …