Barack Obama: “Our future depends on reaffirming America's role as the world's engine of scientific discovery and technological…”

The success of this experiment was never a given.

Never talks that way when they are in the same room.

It fortifies you to say that, yes, this has been part of the journey that we’re on.

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…