This is something that we've been discussing for a long time.

This is the first of several actions to shift the way the organization will operate in the future. It highlights some of the changes in the emphasis of how we do business.

Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.

There is only one you for all time. Fearlessly be yourself.

How can we put more brave astronauts in harm's way solely on NASA's assurance that this time they'll get it right?

There is a time to campaign and a time to come together. This is the time to put aside my opportunity for a runoff and to step aside,