Charles Duhigg

There is a woman named Wendy Wood, who did a study when she was at Duke, and she followed around college students to try to figure out how much of their day was decision-making versus how much was habit. And what she found was that about 45 percent of all the behaviors that someone did in a day was habit.

As homeowners see the value of their homes decline, they become more likely to delay purchases of the big items - like automobiles, electronics and home appliances - that are ballasts of the American economy. When those purchases decline, large manufacturing firms, suddenly short on funds, could begin laying off employees.

My first job in TV was hosting this young teen magazine show, and all these high school teenagers showed up from all over Sacramento, California, and they chose four of us to host the show, two boys and two girls. And of the two girls, I was kind of the perky smart one and the other girl was the pretty one.

You don't ask people about the immigration policies of the U.K. or their country's agricultural policy. Instead, you talk to them about the meal they're eating or their family, and from that you get the sense of another human being, someone we can all relate to.