Complex sentence: He again entered a 12-step program and, while clean since then, considers himself on the path to recovery, and has begun to rebuild his career by starring in the Off-Broadway play "Venus in Fur".
Split into simpler sentences: He again entered a 12-step program and, while clean since then, considers himself on the path to recovery. He began to rebuild his career by starring in the Off-Broadway play "Venus in Fur".