U.S.

The Remote Area Medical charity holds dozens of free health clinics each year. Low-income patients waited in their cars and on blankets for the clinic to open one recent Saturday morning.

A yoga class designed specifically for lower back pain can be as effective as physical therapy in easing pain, the study says. The class and teacher manuals are available online, for free.

In ruling against the detainees, the court said that "high officers who face personal liability for damages might refrain from taking urgent and lawful action in a time of crisis."

Over the years, the president has had an up-and-down relationship with big commercial lenders. But while in the Oval Office, he could find himself in a conflict of interest with any amount of debt.