*Aboriginal Experiment. A Guelph academic uncovers a series of government experiments performed on Canadian aboriginal children that involved withholding nutritional requirements from their diet. Ian Mosby explains the horrific scale of what he discovered.
*Sprinter Doping. After news that three of the world's fastest runners tested positive for banned substances, a former world champion argues it's time to change the rules. Ato Bolden says some performance enhancing drugs should be allowed.
*Encore: Glass on Rakoff. Shortly before his death, writer David Rakoff completed his only work of fiction. Love, Dishonour, Marry, Die, Cherish, Perish -- A Novel By...David Rakoff, is published today. Last month, Carol Off spoke with This American Life host Ira Glass, a longtime friend of the late writer. We replay that conversation.