For reaction now, we turn to writer and political blogger Andrew Sullivan. He is gay and married, and for years has been a leading advocate of same-sex marriage. He's the editor of the blog "The Dish" at The Daily Beast website. And, Andrew, I take it from what I've seen on your blog this afternoon you have mixed feelings about this development.
U.S. officials now say that the man picked to bring a bomb onboard an airliner bound for the United States was actually an agent working on behalf of the CIA. That's the latest twist in a complicated tale — and it raises questions about just how dangerous the group behind the plot really is.