President Obama tried his hand as at comedy at Radio & Television Correspondents Dinner and I have to say, he has pretty good delivery. Fast forward to the 10 minute mark to catch this zinger "I have no ambition to run an auto company. I'm not the salesman in chief and GM will rise or fall on the quality of its products like the taut, athletic design of the new Buick Enclave. Its French-seamed leather and warm wood tones make the Enclave more than transportation, it's a modern driver's retreat. C'mon work with me here, I've got cars to move people!"