Surgery isn't generally a good time these days. There's pain and danger. But surgery today is nothing to the surgery of the past, when desperate patients had to sit, awake and with no painkillers, through the sawing-off of their own limbs. If they made it through that, they frequently died of infections from the dirty hands and instruments of their own doctors. What changed, and who changed it? This week we talk about the transformation of the butchering art with Dr. Lindsey Fitzharris, author of "The Butchering Art: Joseph Lister's quest to transform the grisly world of Victorian medicine". And...