Bitcoins have soared in value in recent weeks, touching $1000 per bitcoin earlier this week. They've become so popular some traditional businesses are accepting them for payment — but not everyone has embraced them.
A week after meeting, an Afghan interpreter saved the life of a US soldier in battle. Years later, that soldier returned the favor, helping the interpreter get a US visa to escape death threats from the Taliban. Now, their families are together for Thanksgiving.
In Afghanistan, it is hard to paint a picture of what decades of war and unrest have done to the country. The BBC has chosen to try, by traveling Highway 1 - the two-lane road that, in better times, would connect two-thirds of all Afghans.
If America defaults on its debt this week, it won't be the first economic superpower to do so. Imperial Spain was a chronic defaulter in the 16th and 17th centuries, and this helped lead to its downfall.
Families who lost loved ones in Afghanistan over the weekend were dealt a second blow when they were told the government was going to be unable to immediately pay death benefits, due to the government shutdown.
President Hamid Karzai may be intent on holding power, even after he leaves office. As the April presidential election approaches, some Afghanistan watchers suspect that Karzai may be manipulating the 22-strong field of early contenders.
One of Afghanistan's most senior policewomen has died a day after being shot outside her home in Helmand province. Anchor Marco Werman speaks with Candace Rondeaux, and asks about the threats facing women in Afghanistan.