Oct 21 Watch Watch a Scene From the New Film ‘Margin Call’ For more on this film, go to: http://www.pbs.org/newshour/art/blog/…
Nation Jul 22 Watch Twitter: Harmless Fad, or Web Revolution? In three short years, Twitter has become one of the Web's most heavily trafficked sites. But is the micro-blog simply a fad, or a technological game-changer? Jeffrey Brown explores.