(BECKET, Mass.) – Contemporary ballet company Ballet BC from Vancouver and post-modern group Tere O’Connor Dance of New York City are at Jacob’s Pillow Dance from Wednesday, July 17, 2013, through Sunday, July 21, 2013. Led by artistic director Emily Molnar, Ballet BC performs three U.S. premieres: A.U.R.A. (Anarchist Unit Related to Art)…