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Afghanistan is believed to be home to world-class mineral deposits, valued at up to $3 trillion and offering hope for the country's economic future. But in the current environment of uncertainty, investors are nervous and it could be many years before Afghanistan strikes pay dirt.

A suicide bomber in a car reportedly blew up himself and the vehicle as a NATO convoy passed by. Afghans who were nearby by, as well as some people in the convoy, were killed. Dozens of others were injured. The militant group Hizb-i-Islami has taken responsibility for the attack.

U.S. reconstruction teams have spent a decade building roads, bridges and other pieces of infrastructure that are badly needed in Afghanistan. But now the international effort is winding down, and it's not clear how much the Afghans will be able to do on their own.

The song "I Drive Your Truck" is a No. 1 country hit. It began with a father's remembrance of his son, who was killed in action in Afghanistan — and a songwriter who just happened to be listening.

A U.S. audit shows that American firms working in Afghanistan have been hit with nearly $1 billion in taxes since 2008. Much of what's been taxed should have been exempt from such levies according to agreements with the Afghan government, auditors say.

Afghans under 35 make up about 75 percent of the country's population. Each one of them was born into war and endured their country's nearly unbroken string of conflicts. And they've come of age as Afghanistan struggles to establish itself as an autonomous country.

Three years ago, Navy corpsman Angelo Anderson was shot in his arm and leg in Afghanistan and he thought he was going to die. Sunday, he's competing at the fourth-annual Warrior Games in Colorado, along with more than 200 wounded service members. Eric Whitney of Colorado Public radio has this profile of Anderson, who credits the paralympic-style competition with restoring him physically and mentally.

The Microsoft founder and philanthropist is putting his money and time where his passion is: eradicating polio. Gates talks with NPR's Robert Siegel about why it makes sense to spend an estimated $5.5 billion to wipe out the disease once and for all.

Afghanistan is set to issue new national IDs that will have a person's ethnicity embedded in it electronically — but not printed on it. That's renewed debate over a divisive issue in a country made up of many different groups.

Tensions between Afghanistan and Pakistan are on the rise again following two border clashes in the space of a week. The trouble was apparently sparked by Pakistan's decision to erect a new border gate despite Afghan objections.