Now, no one gets the discount. A water park in the heart of the Bible Belt is ending the $5-per-person discount it had been offering on its entrance fee to church groups after the head of a secular charity that caters to inner-city youths requested the same deal for its kids. The Willow Springs Water Park in Little Rock, Ark., had been knocking a few dollars off the price of admission for people who came to the park with their church group. The entrance fee was lowered 50 percent to $5 for children who came in that context. However, when...