This undated X-ray image from the Cleveland Clinic shows electrodes implanted in a patient's brain. The method, known as deep brain stimulation, has traditionally been used to treat diseases such as Parkinson's, but new research indicates it could be helpful for patients with obsessive-compulsive disorder. AP hide caption

Anders Behring Breivik (shown in an undated video) is accused of killing at least 76 people in Norway. Scandinavian crime writers have focused on many of the social issues at play in Breivik's case. AFP/Getty Images hide caption

Sarah Bullard with her four children, Liam, Fay, Olivia and Joshua. They bought a house in Bristol, R.I., but then Bullard's husband got orders to work at the Pentagon. So now they live apart. Bradley Campbell/WRNI hide caption

Juan Williams AP hide caption

Dr. Sandrine Courtial examines 3.5-month-old Ayline Alhas at the Centre de Protection Maternelle et Infantile (PMI) in Savigny-sur-Orge, France, before giving her a vaccination. Ayline's mother, Melissa, has been bringing her in for free well-child check-ups since her birth. Olivier Pascaud for NPR hide caption

Japanese Prime Minister Naoto Kan speaks during a news conference in Tokyo in May. The beleaguered leader is expected to step down in coming weeks. Koji Sasahara/AP hide caption

A trail camera captures the mountain lion during its journey from west to east. Courtesy of Connecticut Dept. of Energy & Environmental Protection hide caption

Matana Roberts' new recording, COIN COIN Chapter One: Gens De Colour Libre, joins Live In London as her second album released in 2011. Brett Walker/Courtesy of the artist hide caption