"I wouldn't want to be a senator or congressman. I'm able to influence politics much more effectively doing what I do. Now I can shape the national political debate. The only way I could exert more influence would be if I were president. But I'd never want that guy's job. Never." -- Markos Moulitsas Zuniga Is Markos Moulitsas Zuniga AKA Kos really that powerful? No. But, does he have enormous sway on the Left? You bet he does. His blog, the Daily Kos, is an enormous website that is slavishly catered to by Democratic Congressmen and senators. Among the prominent...