While eschewing emotion - and its companion, vulnerability - Obama should be careful not to sacrifice empathy, the 'I feel your pain' connection that sustained Clinton. This connection is the shorthand people use to measure their leaders' intentions. If people believe you're on their side, they will trust your decisions.

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.