Good Shepherd Church of Alexandria, Va., was once the embodiment of suburban Catholicism. The cavernous cinder-block building itself resembled a supermarket plunked down amidst an affluent neighborhood by some careless zoning board. The nine-year-old parish's membersinp list, drawn largely from the close-cropped and constantly changing ranks at the Pentagon and nearby Fort Belvoir, had initially been compiled from the local welcome-wagon files.
But then, three years ago, the parish got a new pastor. He was the Rev.
Thomas J. Quinlan, now 42, an intense, long-haired, chain-smoking Moses who felt called to lead Good Shepherd's...