Legendary former New York City homicide detective Beau Dietl said Saturday that he was "shocked" by reports that Sen. John Kerry participated in a 1971 Kansas City meeting of the Vietnam Veterans Against the War where a plot to assassinate seven U.S. Senators was considered. "I was shocked listening to the story," Dietl told WABC Radio's Monica Crowley, who had just broadcast an update by the reporter who broke the news last week, The New York Sun's Thomas Lipscomb. "I like John very, very much as a person," said Dietl, who's a personal friend of the Massachusetts Democrat. "But if...