The stats behind this week's Case Study of Christian Science Monitor's turn-around are fascinating. So often in the online publishing industry we assume that higher frequency is better. We ramp up the content production volume, hoping that more and more pages, and continual changing homepage headlines are the way to go.But then I remember the time when my father, a reader with a busy life, pestered the circulation department of Wired Magazine, among others, with requests for a lower-frequency su...