Matt writes: At RogerEbert.com, we recently published a thoughtful essay by Pete Croatto in which he makes his case for "why film critics should see bad movies." Of course, how can one judge what is good if they ignore what is bad? Many of Roger Ebert's most entertaining reviews were the ones where he eviscerated a bad movie with his scathing wit and unbridled love for the oft-squandered potential of the art form. Three books have been devoted to compiling the best of Roger's negative reviews, and they were recently paid tribute by critic Brent Northup in his review of "Shut In" for Helenair.com. My personal favorite of Roger's bad movie takedowns was his half-star review of 1997's disastrous live-action comedy, "Mr. Magoo."