In this week’s issue: Ian Parker examines the case of Tyler Clementi, the Rutgers University student who committed suicide in 2010; Ian Frazier looks at the struggles of two baked-goods companies after their purchase by private-equity firms; Steve Coll assesses the threat of nuclear weapons in Iran, and looks at the repercussions of a U.S. attack on the country; and more: www.newyorker.com.