One day not too very long ago I was talking with one of my sons (I won’t say which one, so as to try to avoid any undue embarrassment – although he’d probably tell you that ship sailed a long time ago), who in between sips of chocolate milk shared a most interesting hypothesis with me.


“Sometimes,” he said in a voice so earnest I just knew he was pulling my leg, “I get the feeling that the Universe was created by time travel.”


I put down the magazine I was reading and gave him...


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