William Wiley is a former Canadian army officer who has worked on international criminal law cases in Yugoslavia, Rwanda and Iraq. Courtesy of William Wiley hide caption

Meryl Davis and Charlie White compete in the 2014 Prudential U.S. Figure Skating Championships in Boston earlier this month. Jared Wickerham/Getty Images hide caption

Pioneering American violinist Maud Powell (1867-1920). Wikimedia Commons hide caption

Under California's new food safety law, bartenders can't do this without gloves. iStockphoto.com hide caption

A new documentary follows The 12 O'Clock Boys, a gang of Baltimore dirt bikers who do dangerous stunts at top speeds on city streets." I think it's a kind of escape for these guys; it's a kind of renegade sport," says filmmaker Lotfy Nathan. Noah Rabinowitz/12 O'Clock Boys hide caption

At a Beijing Courthouse on Sunday, activist Xu Zhiyong was sentenced to four years in prison. Goh Chai Hin/AFP/Getty Images hide caption

Chad Goller-Sojourner (center) and his family. Courtesy Chad Goller-Sojourner hide caption

Mastering engineer Emily Lazar poses with producer Scott Jacoby (top right) and members of the band School is Cool at her Manhattan studio, The Lodge. The Lodge hide caption