Barack Obama: “This year we clearly will have an opportunity to mark on the global stage the progress that has come with the nuclear…”

helped lead some of the most significant movements for change in human history

I was a little tall for it.

Of course, we did not accomplish everything we set out to do. No administration does. Some of the exhibits reflect unfinished business, in some cases, my own shortcomings and mistakes, in some cases because - as a sign I kept on the…

There’s no doubt that we are going through a period right now of disruption, polarization.