Jill Bolte Taylor is a Harvard-trained brain scientist who suffered a crippling stroke. What's remarkable about her story is that she watched - in clinical detail - what was happening to her own mind and body while she was having the stroke. As her body shut down, she felt strangely euphoric. And she had to decide whether she wanted to go on living. We'll talk with Jill Bolte Taylor in this hour of To the Best of Our Knowledge.