ATLANTA, GA—Streaming service CNN+ blew away all expectations by lasting nearly three weeks before its demise was announced by Warner Bros. Discovery this morning. Analysts had expected the service to last no longer than about thirteen hours, so CNN is calling the full three-week lifespan of the paid streaming platform "performance beyond our wildest dreams." Some more optimistic projections had expected the service to last through its first weekend, but regardless, no one thought the service would last as long as it did. Primary among the factors that led analysts to this conclusion is that people won't even watch regular...