JERUSALEM — Muslim militants, evoking a jihadist pretext and backed by rogue states, are attacking vital Western interests. The president of the United States fails to convince Europe to join a coalition to confront the aggressors. No, this is not President Bush versus Saddam Hussein, but Thomas Jefferson versus the Barbary pirates of North Africa, who were plundering Western ships and enslaving their crews. When Jefferson proposed creating a multilateral force to stop the pirates, Europe went on bribing them. "This is money thrown away," Jefferson concluded, before ordering the Navy into action. On Aug. 1, 1801, the first American...