Yesterday's September labor market report was lousy by any measure, with 263,000 lost jobs and the jobless rate climbing to 9.8%. But for one group of Americans it was especially awful: the least skilled, especially young workers. Washington will deny the reality, and the media won't make the connection, but one reason for these job losses is the rising minimum wage.

Earlier this year, economist David Neumark of the University of California, Irvine, wrote on these pages that the 70-cent-an-hour increase in the minimum wage...