<<The emotional speech, in which [Barack Obama] called for an end to "racial stalemate", is currently the most watched clip on the video-sharing website. It has also become the most popular discussion topic on digg.com, the world's largest technology website.>>
http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2008/03/20/wobama220.xml

The full transcript of his speech: http://my.barackobama.com/page/community/post/samgrahamfelsen/gGBbrc

http://www.youtube.com/watch?v=pWe7wTVbLUU

The speech was discussed on the Daily Show with Jon Stewart as well as the Colbert Report on Tuesday night.