NPR News

In South Africa, controversial images of a frail and ashen Nelson Mandela being visited by South Africa's current president aired on national television this week. Some people claimed it was a political publicity stunt.

The footage is fueling fresh debate about what is proper and what constitutes invasion of privacy regarding the ailing, 94-year-old former president and anti-apartheid legend.

President Jacob Zuma, accompanied by two other top officials of the governing ANC party, visited Mandela at his Johannesburg home on Monday.

During the housing bust, taxpayers were forced to bail out mortgage giants Fannie Mae and Freddie Mac. But thanks to the real estate recovery, Fannie Mae could end up paying tens of billions of dollars back to the Treasury this summer.

That's just one of the factors behind a better bottom line for the federal government. This week, the Treasury Department announced it will pay down some of its debt for the first time in six years.

President Obama has said that the use of chemical weapons could change the U.S. response to the Syrian civil war. But why this focus on chemical weapons when conventional weapons have killed tens of thousands in Syria?

The answer can be traced back to the early uses of poison gas nearly a century ago.

In World War I, trench warfare led to stalemates — and to new weapons meant to break through the lines.

After a report in The New York Times this week, Afghanistan President Hamid Karzai has acknowledged that the CIA has been secretly delivering bags of money to his office since the beginning of the war more than a decade ago.