Shifting The Debate measures the movement of ideas through social networks. In the Political Video Barameter which you can access by clicking the above image, you can follow the linkage from YouTube videos to political blogs. Move your cursor over the colored circles to see the names and traffic numbers for the videos. Click the circle to display the video in the right panel.

Supporting my personal theory that there is a strong viral network effect sending conservatives to town meetings, are the numbers at the lower right. At the least the numbers indicate more conservative activity, if not necessarily reflecting town hall interest. More information about how this works at The Shifting The Debate explanatory page.