- Aaron David Miller: In the post-World War Two period, we've never had a Secretary of State whose entire career has been spent in the private sector without any prior government or public service.
- No secretary of state can succeed unless he or she remains close to the president and the president watches his back in Washington and abroad, Miller says
Aaron David Miller is a vice president and distinguished scholar at the Woodrow Wilson International Center for Scholars and author of "The End of Greatness: Why America Can't Have (and Doesn't Want) Another Great President." Miller was a Middle East negotiator in Democratic and Republican administrations. Follow him on Twitter @aarondmiller2. The opinions expressed in this commentary are his.
(CNN)President-elect Donald Trump has nominated Rex Tillerson for Secretary of State.