Three survivors of genocide-an 89-year-old Holocaust survivor, plus two who endured atrocities in Cambodia and Rwanda-will share their stories at “While the World Watched: The Human Consequences of Nonintervention,” a panel discussion from 5-8 p.m. Tuesday, April 9 at the College of Lake County. The event will take place in the Room A011 Auditorium at the college’s Grayslake Campus. Admission is free.