Ethan Remmel was only 41 when he died on June 13, 2011, barely a year after being diagnosed with terminal colon cancer that quickly spread to his bone.The Bellingham, Wash., psychology professor and father of two young sons took a lethal dose of crushed prescription sedatives, becoming one of 255 terminally ill people to exercise that option so far under the state’s 2009 Death with Dignity Act.“On...