Marrying your cousin is legal in many states. He did nothing illegal and I think it is very rude to criticize him for it. In some countries it is very common. All of my Egyptian brother and sister-in-laws are married to relatives, two to first cousins.
Wow , I just looked we are on the bottom of all time most Diggs 1st page for 365 days. We have more comments than any other digg on that page. http://digg.com/all/popular/365days