As a Republican, I never expected to be working with Hillary Clinton.

Marketers know - no matter how deep the emotional connection or brand loyalty - when a product does not perform, rational thought overtakes emotion, and most consumers make a new choice.

A Rick Santorum presidency would be very, very dangerous for America.

Presidents should do whatever possible and practical to encourage an environment of cooperation and bipartisanship. And they should maintain a certain level of decorum, diplomacy and decency. But, at the end of the day, presidents get elected to enact change.

Contrary to conventional military and game theory, the most effective offense is sometimes a direct attack against your political opponent's greatest strength - not his weaknesses - to place him immediately on the defensive.

To pull off successful attacks in debates, you have to execute with nuance and subtlety. It has to be artful.

I've spent the better part of my career in politics and public policy working on and fighting for education reforms.