Department of Homeland Security

An Impressive Lockdown

In the 12 years since September 11, America has made huge progress on disaster-response—even if suspects are still at large. Boston proves the point.

The Missed Warning Signs

A 2009 Homeland Security study warned that the rise of right-wing extremism could spur violent attacks. But the report was attacked by Republicans, including now-Speaker John Boehner, blunting its impact.