ENTERTAINMENT
January 29, 2009 | By John Horn
Audience tracking surveys are hardly perfect, but rarely are they as far off the mark as when "Paul Blart: Mall Cop" arrived in theaters three weeks ago. Having studied the various appraisals of moviegoer interest, executives at Sony Pictures concluded that, at worst, "Mall Cop" would gross $20 million in its first four days, with a high end of perhaps $25 million in domestic theaters. The actual Martin Luther King Day weekend returns: $39.2 million. Since its Jan.