tom kavanaugh. notre dame phd in philosophy. you're a professor at the university of san francisco. >> yep. >> your bio says started there in 1994. i think it's 25 years. >> yes. >> coming up. >> 25 delightful years. >> you teach a first seminar course, what is wisdom. an honor seminar in media literature, and you specialize in medical ethics. you have a new book i'm reading right now. it's very interesting. so you are our experts. i said this would be a catholic conversation on death and diagnose. it's not for catholic, necessarily. it's for everyone. i tried to paint the picture of a pyramid with 100% of us all going to die. many on the next level and on the top, professionals working in this business. i'd like to ask you this question. what do the catholics have to tell us about death? what is the catholic teaching for us? why do we come to them. >> there's a beautiful document put out by the vatican called declaration on euthanasia. not a great title. it's more uplifting than the title makes it sound. the catholic church has