New Zealand's Protestant churches rallied last week against invaders: the proselytizing Mormons of Salt Lake City. Among the South Pacific's Polynesians, the Mormons keep scoring remarkable gains, have almost tripled their members (80% Maoris) in New Zealand to 17,000 in the last 30 years. They drew a crowd of 112,000 to a newly opened $8.000.000 church college and gleaming white temple, and this week set up the first Mormon "stake" -a sort of diocese -outside North
America and Hawaii. Protestants charged the Mormons with "pouring in money." Cried an official Presbyterian statement: ''They go from door to door infiltrating and trying to...