Thursday & Friday, June 6 and 7 from 7pm to 9:30pm NORTHAMPTON CENTER FOR THE ARTS, 33 Hawley Street, Tickets: $12 advance online / $15 at the door / No one will be turned away for lack of funds. More Info & Purchase Tix: www.powerstrugglemovie.com/northampton-ma-screening Invite friends: www.facebook.com/events/735944480133418/ A feature-length documentary chronicling a successful grassroots citizens’ effort to shut down the Vermont Yankee nuclear reactor in Vermont, directed by long-time Pioneer Valley filmmaker Robbie Leppzer. A timely,…