Pope Leo this week upended a long-standing Catholic teaching used since at least the fifth century to assess when war may be considered justified, a move...

By Joshua McElweeVATICAN CITY, May 28 (Reuters) - Pope Leo this week repudiated a major teaching used by the Catholic Church since at least the fifth century to evaluate when…

VATICAN CITY: Pope Leo this week repudiated a major teaching used by the Catholic Church since at least the fifth century to evaluate when countries might be justified in waging…