Apparently, being a former Kennedy speechwriter doesn’t carry quite the same cachet as actually being a Kennedy -at least when it comes to drunken-driving arrests. Because Richard Goodwin, longtime family retainer who advised JFK, RFK and Ted Kennedy, was arrested in his hometown of Concord and charged with drunken driving after he plowed his car into a police cruiser. Ooooops! Goodwin, 74, the hubby of historian Doris Kearns Goodwin and a legendary political player, was not given a ride home, a la Patrick Kennedy. Oh nooooo. He was arrested and taken to the Concord PD where he was charged with...