THEATER: Kin
We first meet Anna (Kristen Bush) as she, a stony and/or stoic adjunct, is being dumped by an older professor, Simon (Matthew Rauch), who we will never see again. That's fine: in the next hundred minutes of Bathsheba Doran's Kin, nearly a decade of similar moments -- both crucial and tangential to Anna's life -- fly by, ultimately illustrating, under Sam Gold's brilliant direction, how "seemingly insignificant detail…