Campaigns often make standing on principle the highest of virtues - and listening to your opponents a sure sign of weakness. It's the virtual opposite of what it takes to succeed in office. Squaring the circle takes a powerful combination of skills. But presidents who can campaign and compromise are generally the most successful.

J. She is also the author of the 2008 New York Times best-selling book Why Women Should Rule The World. Her father was a Navy pilot who completed two tours of duty in the Vietnam War and her mother worked as a real estate agent.

Cregg. In 2010 Dee Dee Myers became a managing director of public affairs at The Glover Park Group. Myers later co-hosted the news program Equal Time on CNBC and was a consultant on The West Wing.