It is clear that the White House has made a policy decision that we are going to honor our international agreements on ISS, and we are going to continue to fly the shuttle in order to launch the international components.
His goal is to find the best possible technical managers so the shuttle and the space station, especially the shuttle, are operated in the safest possible manner for the rest of their service lives.
It's a schedule that is as much political as it is technical. It reflects the partners' concern about the shuttle because they've moved the launch of the partners' modules up to the earliest time.