George W. Bush: “Recent scientific developments have reinforced my conviction that stem cell science can progress in ethical ways.”

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.

We know our words cannot help, but we believe the prayers of so many Americans will.

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