Interesting, Hal. I think that it's because no one wants to be first. That first person to clone themselves is going to be a lightening rod. Or to clone a child. Someone is going to have to have a very good reason to do it. I think it makes sense with the dogs because that particular dog has a highly-developed sense of smell. If someone found a cow that was particularly tasty, that might be reason enough to clone it.
I think that the soul debate will be a part of what happens when a human is cloned, but I can't imagine a donor for the clone to be particularly excited about the firestorm that will ignite when it becomes public knowledge. So, if it hasn't happened yet, I think that it's fear of loss of privacy that's holding it back.
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