Thank heavens I saw “Boogie Man” last week; it was good prep. It’s a documentary about Lee Atwater, Republican Party dirty-trickster, the man with Alex P. Keaton looks and charm who taught Karl Rove every divisive, dishonest, cheap-shot move in his book. Atwater, who on his deathbed regretted and apologized for how he conducted himself in politics, would have recognized his own pre-regret strategy coming out of the mouths of a number of people this week. Here are some exa