Hunger breeds violence By Samuel R. Berger, Samuel R. Berger, former national security advisor to President Clinton from 1997 to 2001, is chairman of a Washington-based global strategy firm and serves on Friends of the World Food Program's board of directors.
Pyongyang duck By Paul B. Stares, Paul B. Stares is a senior fellow at the Council on Foreign Relations and the coauthor of "Preparing for Sudden Change in North Korea."
The $100 question By Paul Whitefield, Paul Whitefield is the editorial pages' copy desk chief.