All Things Considered on KRVS

Some kids go to band camp; others go to swim camp. But for the children of the world's digital rabble-rousers, there is hacking camp. It's called DefCon Kids.

This camp, held in Las Vegas, encourages kids to take a hard, skeptical look at the machines that surround them, and teaches them to hack apart everything they can lay their hands on.

One of the most popular activities is lock-picking.

"I had fun with some of the harder locks," says 16-year-old Alaetheia Garrison Stuber.

But did she learn any new tricks?

In the past two weeks, seven Afghans in uniform have opened fire on Western forces. The most recent incidents occurred Friday. First, a newly recruited policeman in western Afghanistan turned his gun on U.S. military trainers, killing two and wounding a third. A short time later in southern Kandahar province, an Afghan soldier shot and wounded two foreign troops.

Most Americans pay with plastic or cash when they visit the grocery store, buy their daily coffee, or fill up the gas tank. But a growing number of large companies are trying to change that.

Google, Starbucks and Wal-Mart are among the many firms that are eager to replace consumers' wallets and stores' cash registers, with smartphones and other mobile devices.

The "know your farmer" concept may soon apply to the folks growing your coffee, too.

Increasingly, specialty roasters are working directly with coffee growers around the world to produce coffees as varied in taste as wines. And how are roasters teaching their clientele to appreciate the subtle characteristics of brews? By bringing an age-old tasting ritual once limited to coffee insiders to the coffee-sipping masses.