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There's a great short story (that I won't name or describe, because I'm going to spoil the ending) that deals in part with one interesting side-effect of cloning people along with their consciousness: in a world where identity and identification are important, and extra copies of people can't be allowed to just walk around, the clone and original would be highly motivated to kill each other so that one could carry on living as something other than the ultimate illegal alien.
Sorry if that's too far afield from the original question, but it came immediately to mind when I saw people posting about copies remaining behind.
As to the question: no and no. I don't travel much anyway.
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