chris: how is it to be married to someone who is literally a diva from madonna. you met denise she is a down-to-earth person. i understand why we refer to opera singers as divas. montgomery s zeno transplant made global headlines. but he reminds us of just a first step. where a year or two away from the first living human trials. he helps putting his heart and history into this research will save lives. i have been a surgeon and a patient my entire career, that is unique thing, it is my duty to make the very best of. montgomery says if the trials go well pig kidneys could be available for regular transplant to humans within ten years.