It is a real pleasure to be able via this medium to correspond with smart people in Britain, Australia, Greece, Finland, and all over. Though the exchanges sometimes get boisterous, they are usually thoughtful and informed. The downside is that you cannot completely exclude comments by the ignorant, the fatuous, the self-important, or the seriously deranged. In this latter category is Dennis Markuze of Montreal, Canada. He is an infamous troll of atheist and skeptical sites. He posts under a variety of guises, but his style is unmistakable. Generally, he just posts repetitive, incoherent drivel, but sometimes he makes explicit threats. This is a crime and should not be tolerated. If he threatens you, you should contact the Royal Canadian Mounted Police. Their contact information is as follows: