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.

President Clinton intentionally created a structure that was a little loose. And one that kept him a little in the center. He didn't want one person filtering all the information that went to him. He had always operated with a lot of information coming in and a lot of stuff going out.

Women communicate differently and process information differently, which leads them to resolve conflicts differently.

I'm a baseball freak.

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.

Clinton's resilience became sort of the secret weapon of the campaign. He was never going to just give up and get out.

There are people in the public sector with a range of experiences that have no equivalent in business, but are essential to governing, like keeping a kid in school or helping someone get and hold a job. The value of those skills can't easily be measured against a bottom line.