"the evidence so far suggests that fears of the omnipotent terrorist
snip
may have been overblown, the threat presented within the United States by al Qaeda greatly exaggerated."
So what about the recent terror plot that was foiled? OK, that was from Britain but it involved planes flying to the US. I'm there were plenty of operatives in the US involved.
I guess Professor Mueller isn't concerned about the UK. They're just so far away...