Howard Hawks defined a great film as “three good scenes and no bad ones.” The Untouchables has one of the greatest scenes in the history of cinema, and not just because it’s patterned after the best known scene in Battleship Potemkin; this has actually become iconic in its own right. This Brian De Palma movie has several other good scenes, and arguably not a single bad one; it does have, however, a couple of scenes that don’t make a lick of sense — some of the good ones, even. The bat scene, in particular, is a lot of fun, but I still have no idea who the guy is that Al Capone (Robert De...