PITTSBURGH — About 100 people gathered in a cold drizzle for what was called a “healing. led a short prayer. People stood. One week after 11 people were gunned down at Pittsburgh’s Tree of Life synagogue, 100 people gathered on a cold drizzle Satur. “Picture a locked door. Opening that door represents liberation from spiritual bondage. This door has five locks, each requiring a key. As a believer in Christ,…