The annual Peace Studies-Martin Luther King Jr. Memorial Lecture will take place at 7 p.m. Tuesday, April 21, in Wallenberg Auditorium in Alfred Nobel Hall of Science. Harry M. Williams, Laird Bell Professor of History at Carleton College will speak on the relationship between Martin Luther King Jr.’s dream and the Obama presidency. For more information, contact Associate Professor of Political Science and Peace Studies Mimi Gerstbauer at 507-933-7421.