Source: U~T San Diego St. Katherine Orthodox Mission Church brings ancient roots to new location By PHIL DIEHL CARLSBAD — One of the oldest religious institutions in the world has opened a new church in Carlsbad, where there’s standing room only at every service. St. Katherine Orthodox Mission Church was founded in 2011 in Encinitas, but it’s part of the third-largest Christian church in the world, with roots and traditions dating to the beginning of Christianity. One of the traditions practiced at St. Katherine’s is that the congregation stands throughout the services, which can last as long as two hours.…