David Blankenhorn is the founder and president of the Institute for American Values and the author of 'Fatherless America' and 'The Future of Marriage'. A noted figure in the campaign against same-sex marriage in the United States, his position changed and he voiced support of legalizing same-sex marriage in June 2012. Wikipedia*
On the C-SPAN Networks:
David Blankenhorn has four videos in the C-SPAN Video Library; the first appearance was a 1996 Speech. The year with the highest average number of views per program was 2007 with an average of 1,066 views per program.