WTF? Why on Earth would anyone think Norman's ears had to be "ringing" from the shots? Is that a new theory by some CT Denialist? If that were the case, Oswald would have been deaf by the time he reached DPD Headquarters on 11/22. You sound like Robert "Z285" Harris now. Harris thinks the entire crowd in Dealey Plaza would have been "jumping out of their skins" (a Harris quote) if Oswald had been firing his Carcano from the sixth floor. Almost SIXTY FEET up, and Harris thinks people would have