George W. Bush: “I look forward to welcoming him here to Washington if he chooses to come here.”

Is it in our interest that 25 million people who would have died now live? I think it is. On behalf of a grateful nation, thank you for your hard work and God bless you.

We are heartbroken by the loss of life and the agony so many are feeling.

History will remember him as among the finest public servants of his generation – a patriot who brought integrity, high intelligence, and seriousness of purpose to every position.

You've showed the great strength of America through your work—and that is your good heart.