to keep your health care. and what the other side believes is exactly the opposite. they're trying to undo the affordable care act, and that's a huge difference. i mean, it's night and day. >> democratic national committee chair tom perez for the halftime show in between the two debates. thanks for being with us this morning. i appreciate it. >> always a pleasure. now to this story. prosecutors say a princeton graduate killed his father over money. the defense says it's not that simple. the evidence now in the hands of the jury. that's next. cancer is the ugliest disease mankind has ever faced. we got the idea that if we took two dimensional patient imaging and put it in holographic displays, we could dissect around the tumor so we can safely remove it.