During a recent television interview, David O'Connell, chief of staff of the Provisional Irish Republican Army, issued a grim warning. Because of the "total indifference" of the British public to the "terrible war in Ireland," he said, the British "will suffer the consequences." O'Connell sanctimoniously promised that the Provisional I.R.A. would strike only at "economic, military, political and judicial targets." Last week the Irish militants made good their threat, but tragically they chose a target of a different and more innocuous sort.
On Thursday evening, two I.R.A. bombs exploded inside pubs in Birmingham, England's second largest city, leaving 19 people...