original question: What is the periodical subject of [Commonweal]
answer: catholicism
answer type: Periodical Subject.
auxiliary information: Commonweal is an American and liberal journal of opinion, edited and managed by lay Catholics, headquartered in The Interchurch Center in New York City. It is the oldest independent Catholic journal of opinion in the United States.
IN THE [Commonweal] USUALLY WHAT IS THE PERIODIC TOPIC?