Under California law, it's legal to grow marijuana for medicinal purposes if you have a doctor's recommendation. A few years ago, Mendocino County Sheriff Tom Allman was trying to find a way to deal with the proliferation of marijuana in his county.

Reporter Julia Kumari Drapkin tells the story of Colorado’s State Climatologist, Nolan Doesken. Doesken has long believed that humans are driving climate change, but never connected it to his own life.

Reporter Ben Calhoun tells the story of Terrance Green, a 16-year-old who was killed three years ago but is still an iconic presence at Harper.

At three high schools in Palm Beach County, Florida, several young police officers were sent undercover to pose as students, tasked with making drug arrests. And this, this is the setting for a love story, reported by Robbie Brown.

Writer Michael Lewis tells the story of a man named Emir Kamenica, whose path to college started with fleeing the war in Bosnia and becoming a refugee in the United States. Then he had a stroke of luck: a student teacher read an essay he’d plagiarized from a book he’d stolen from a library back in Bosnia, and was so impressed that she got him out of a bad high school and into a much better one.

Producer Nancy Updike goes to the West Bank to investigate why Israeli soldiers routinely wake up Palestinian families in the middle of the night, to take photos of the teen boys in the house.

There is a Native American tribe in California called the Chukchansi that’s fighting over the most basic thing any group can fight over — who should be a member? David Ferry explains just how bitter their dispute has become.

For decades, the writer Alex Kotlowitz has been writing about the inner cities and the toll of violence on young people. So when he heard about a program at Drexel University where guys from the inner city get counseling for PTSD, he wondered if the effect of urban violence was comparable to the trauma that a person experiences from war.