I know terrorism is real. And I know fear of it distorts public judgment. Terrorism is like a chronic illness. We have to learn to contain it and live with it.

Seeing Anonymous primarily as a cybersecurity threat is like analyzing the breadth of the antiwar movement and 1960s counterculture by focusing only on the Weathermen.

Like crime, terrorism is a fact of life. I grew up in Israel, where every unattended bag was a suspected bomb; when my family moved for a few years, it was to London in the early years of 'the Troubles.'

On 11 September, I was living in Greenwich Village, New York; my children learned to tell south from north by looking at the World Trade Center.

Certainly we know from our own experience how very difficult it is when you've lost an election that perhaps a lot of people were expecting you to win.

You know, cancer is bipartisan. I mean, there are so many people whose lives are touched and changed by cancer that people are willing to work together to find cures, find solutions, make lives better for cancer patients. So I think people put politics aside. This isn't a political thing. This is a life issue.

Exploring emerging technologies like new refraction technology will enable people to get prescriptions cheaper and more conveniently, which will, in turn, provide increased access to prescription glasses.

It's a big, complicated democracy, and one of the strengths of our country is... its rich diversity.