April 20, 2011 THE COAL SPEAKER Morning cardio: What is the single best exercise? The NEW YORK TIMES tells us. Now try it. I did. For a couple seconds at least. FacebookTwitter Morning cardio: What is the single best exercise? The NEW YORK TIMES tells us. Now try it. I did. For a couple seconds at least. FacebookTwitter Tweet Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related