Alix Spiegel

As part of NPR's coverage of this year's presidential election, All Things Considered asked three science reporters to weigh in on the race. The result is a three-part series on the science of leadership. In Part 2, Jon Hamilton examined leadership in the animal kingdom.

Charming or cold. Flexible or rigid. Paranoid or impulsive or calculating.

Brett O'Donnell is a debate consultant who trains Republican candidates. He has worked with George W. Bush and John McCain, and for a short time earlier this year, he helped prep Mitt Romney.

O'Donnell is an expert on "the pivot."

In my Morning Edition story today, I look at expectations — specifically, how teacher expectations can affect the performance of the children they teach.

Around 10 years ago, Malcolm MacLeod got interested in forgetting.

For most people, the tendency to forget is something we spend our time cursing. Where are my keys? What am I looking for in the refrigerator again? What is that woman's name?

In 1991, a man named Stephen Mobley robbed a Domino's pizza in Hall County, Ga., and shot the restaurant manager dead.

Crimes like this happen all the time, but this particular case became a national story, in part because Mobley seemed so proud of his crime. After the robbery, he bragged about the killing and had the Domino's logo tattooed on his back.

But there was another reason Mobley's case became famous.

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