Alana joins Regina Botros to talk about her new work for the stage Nucleus at the Seymour Centre as part of the Griffin season. Alana Valentine is a librettist, playwright and director. Photo (c) Brett Boardman Gabriel is a nuclear engineer. Cassie is an anti-nuclear campaigner. For nearly thirty years their lives have collided and entwined, with Cassie’s cause dominating public opinion across the decades. But with political change rumbling underfoot, Cassie’s life’s work could yet be undone—and it’s all led to this explosive night.