Osama bin Laden was killed by Americans, based on intelligence developed by Americans. That should bring great satisfaction to our citizens and elicit praise for our intelligence community. Seized along with bin Laden's corpse was a trove of documents and electronic devices that should yield intelligence that could help us capture or kill other terrorists and further degrade the capabilities of those who remain at large.

But policies put in place by the very administration that presided over this splendid success promise fewer...