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Jon: congressman paul ryan, the republican vice-presidential nominee, a campaigning today in north carolina of all places. the day before the democratic national convention kicks off there in charlotte. other top gop leaders also will be in that state this week. it is a political tactic some call bracketing where one party tries to take spotlight away from the other partys big event. john roberts has more on it. he is live on the convention floor. no, outside. >> reporter: were inside and outsid...