THEATER: Let’s never take for granted that we live in a city where, tonight, for instance, we can stop on our way home from work and peer into a storefront window, where video screens broadcast a live criminal confession being performed inside. The storefront belongs to theater production company chashama; the “happening” tonight is the concluding part of Televised Confession, a multimedia performance installation by Stephanie Vella. “Inspired by the use of televised confession by......