A caravan of crazy roams the desert, leaving in its wake a chaotic free-for-all of frantic neuroses. There’s no way to soft sell this review, so let’s just get to it. The latest “Mad Max” is an assortment of cockamamie pandemonium that leaps from one lurid explosion to the next in a momentum-less rush to keep viewers from noticing a script spread thin on character development or anything else of valuable dimension. The plot is straightforward and difficult to explain at the same time. This is mostly because it is so heavily mired in a barrage of convoluted eccentricity that hinders any chance to decipher a coherent explanation for any of its on-screen happenings. The gist is this: Max (Tom Hardy), a near mute, is captured by a group of crazy people who are chasing after Furiosa (Charlize Theron), the commander of a war rig who’s taken off with their leader’s enslaved harem. Max winds up helping them and in the gang’s ensuing escape across the desert, they must face off agains