Barack Obama: “I am honored that they have decided to join our team and look forward to working with them in the future.”

The success of this experiment was never a given.

It was nevertheless important that we all play a part in assuring that our elected officials are accountable.

No one was more skilled at bringing people together and getting legislation passed.

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.