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The games are just a week away, and enthusiasm is low. Stadiums aren't finished, infrastructure is incomplete, and there have been protests. According to one Brazilian soccer fan, "We didn't deliver."

The health systems serving veterans and military members are different. But both are being scrutinized closely amid allegations of access and quality problems.

Some warn that the violence gripping the country could lead to another Sept. 11. But experts are skeptical, and Americans are wary of new military entanglements.

Taliban attacks have rocked some of Kabul's most guarded locations just days before Afghans vote in national elections, generating fear among foreigners and many Afghans connected to the vote.

Though the health insurance law is federal, we're not exactly all in this together. Each state runs its own insurance market and pools, so a big turnout of the healthy in New York won't help Texas.

It's called chikungunya. And it causes severe joint pain that can last for months. A quarter of a million people have caught the virus in the Caribbean. So how big a problem will it be stateside?

LG's KizON wristband lets you keep tabs on your child. But some experts say such devices send the wrong message about the world we live in. And the gadgets raise questions about kids' privacy rights.

India wins praise for providing free lunches to 120 million of its poorest children. But lax supervision has led to lapses that have sickened and even killed youngsters.

Government officials argue that encrypted communication poses national security risks. But tech companies say that making it possible to unlock devices would make the tools less secure for everyone.

The global middle class is growing ... but slowly. (A lot of the credit goes to China.) And more than 70 percent of the world's population still falls below what would be considered "middle" income.