On cable TV, there's a whole truckload of reality shows that make fun of working-class, white Southern culture. They are some of the most popular and talked about new shows, too, such as Here Comes Honey Boo Boo and Duck Dynasty.

MTV tried cashing in on the redneck TV trend with its own hyped-up platform for young Southern kids behaving badly, Buckwild. It played like a Southern-fried version of Jersey Shore. Its stars were a dimwitted crew of young people in West Virginia drinking hard and riding pickup trucks through ditches filled with mud.

At about 300 colleges across the country, young activists worried about climate change are borrowing a strategy that students successfully used in decades past. In the 1980s, students enraged about South Africa's racist Apartheid regime got their schools to drop stocks in companies that did business with that government. In the 1990s, students pressured their schools to divest Big Tobacco.

This time, the student activists are targeting a mainstay of the economy: large oil and coal companies.

When you arrive in Myanmar, you can see how eager the people are to do business. At the airport in Yangon, new signs in English welcome tourists. A guy in a booth offers to rent me a local cellphone — and he's glad to take U.S. dollars. But when I pull out my money, he shakes his head.

"I'm sorry," he says.

He points to the crease mark in the middle of the $20 bill. No creases allowed.

A while back, Max Kornblith sent the following email to Tyler Cowen, an economist who blogs at Marginal Revolution:

1) As a fairly recent graduate of an Ivy League institution (with a bachelor's degree), most of my classmates seemed to have some idea that career and life path choice should be driven by a "passion" such that the right choice is self-evident to the chooser. What does this belief mean to you as a social scientist? ...