Patrick Caldwell

Patrick Caldwell is a reporter in Mother Jones' D.C. bureau.

Politics

Jim Webb, Democratic presidential hopeful, slams Obama over Keystone bill veto

Webb vented his frustration with a virulent tweetstorm. Here's what he got wrong.

Climate & Energy

Why the EPA chief needs China’s help to tackle global warming

Combined, China and the U.S. produce nearly half of the world's carbon emissions.