Why must Democrats constantly defend against charges that they can’t be trusted on issues of national security? Well, consider what went on in the House of Representatives last Wednesday night. Various members of the House majority had just spent 30 minutes in self-praise over the $7.3 billion transportation-security bill, calling it long-overdue relief for millions of Americans. Then Rep. Peter King (R-L.I.) rose to propose an amendment directed at a dangerous new threat to national security. His motion was a response to the “John Doe” lawsuit filed by six “Flying Imams.” Last November, the six were ejected from a US...