by DCist contributor Dave Weigel From Stern’s MySpace page. You probably already knew this, and you might have been checking to see if this show, like Stern’s last D.C. show, featured a kissing booth. (It did not.) But: There is no middle ground on Marnie Stern. Her music either hypnotizes or it subjects the listener to an endurance test. This does not change from song to start: You make your choice at the start of…