Mahatma Gandhi In recent days, we commemorated the legacy of Martin Luther King, Jr., who died 40 years ago this month. And some have also recalled that King was influenced by Gandhi, learning from Gandhi's Satyagraha or "truth force" movement the nonviolent tactics that ultimately made the civil rights movement a success. Philip Glass's opera "Satyagraha," which thematizes this, is being revived now at the New York Metropolitan Opera. Now is a good time to remember Gandhi and King, not just in celebration of what they achieved, but because we need them again today. We need them not only …