This week's demolition of a massive Protestant church in the eastern city of Wenzhou highlights the growing uneasiness of the ruling Chinese Communist Party over burgeoning numbers of Christians in the nominally atheist country, analysts said. Authorities completed on Monday the demolition of the 85,000-square foot (nearly 7,900-square meter) Sanjiang church, which once dominated the city with its soaring spires, gleaming white walls, and stained glass windows, saying it had far exceeded the size allowed in the building permit. Christians in Wenzhou, whose large numbers have earned it the nickname "the Jerusalem of the East," launched a frantic campaign to...