Guilt. It comes naturally to me as a Jew and a Liberal.

Physician-assisted suicide and euthanasia have been profound ethical issues confronting doctors since the birth of Western medicine, more than 2,000 years ago.

We're all on a continuous journey to try and fix our mistakes and flaws. And, believe me, I've got plenty of them.

I'm the son of a pediatrician, and I do believe that the most important resource we have is our kids. And I think the most important thing for America's future is to invest more in our children.

The president recognizes that funding global health is good for national security, domestic health and global diplomacy. Consequently, President Obama has steadily increased funding for the President's Emergency Plan for AIDS Relief, or PEPFAR, which was created by President Bush and has strong bipartisan support.

You have the quality of your work and the integrity with which you do it.

We don't have enough solid organs for transplantation; not enough kidneys, livers, hearts, lungs. When you get a liver and you have three people who need it, who should get it? We tried to come up with an ethically defensible answer. Because we have to choose.