Obama has become too dependent on formal speeches and set town halls. His idea of mixing it up is taking off his jacket.

You as the press secretary have to protect the president's interests and the White House's interests more broadly. And a lot of people inside the White House, as you learned, sometimes with painful experience, have competing agendas, have differing points of view, have priorities they're trying to protect.

Yes, Bill Clinton is a big flirt.

I know I made plenty of mistakes in my tenure. But one of the things that you learn is to be very careful and to protect yourself down the road a little bit, which is to say you've got to think ahead and think where is the story going to go? What are all the possible outcomes? And how do I protect the president from unexpected twists and turns in the road?

Obama seemed poised to realign American politics after his stunning 2008 victory. But the economy remains worse than even the administration's worst-case scenarios, and the long legislative battles over health care reform, financial services reform and the national debt and deficit have taken their toll. Obama no longer looks invincible.

Exponential growth in access to the Internet, satellite television and radio, cell phones, and P.D.A.'s means that breaking news now reaches virtually every corner of the globe.

On the day I started college in 1979, no woman had ever been on the United States Supreme Court or served as the Speaker of the House. None had been an astronaut or the solo anchor of a network evening news broadcast. Not one had been president of an Ivy League college or run a serious campaign for president.