Mathematical Visualization Of U.S. Public Opinion and Policy

The above graphic is getting a lot of buzz in the blogosphere after it appeared in the New York Times Economix blog and many LGBT blogs, like Professor Nan Hunter's Hunter of Justice.

Recently on DailyKos, Steven Singiser posted this corrolary picture, showing the age democraphic split on explicit support for same-sex marriage by cohort (65+, 45-64, 30-44 and 18-29). The results are quite striking:
The point here is that by the time the 18-29 cohort is fully into the 30-44 cohort, the kulturkampf over marriage equality will probably be over. The only question is how closely public policy will follow public opinion at that time (10-15 years from now).