Dave Davies

Louisiana imprisons more people per capita than any other state or country in the world. One out of every 86 adults in the state is behind bars. Times-Picayune reporter Cindy Chang says the state's correctional system has created financial incentives for local sheriffs to keep prisons full.

Parents should be paying very close attention to the digital media their children are using, says child advocate James Steyer. "Young people in particular often self-reveal before they self-reflect," he says. "There is no eraser button today for youthful indiscretion."

One-third of American today are obese, and another third are overweight. A new HBO documentary series, The Weight of the Nation, explores how our country got this way and what can be done to tackle the growing national health crisis.