Liverpool 5-1 Arsenal It’s not lost on me that since it all came together so spectacularly against our old friends up the road on 2nd December, cracks have started to appear. Yesterday, those cracks became giant fissures, as all of our failings of yore came back to dance a merry jig. For all of Liverpool’s excellence (they’re not top and flying by chance), all five of their goals were avoidable from a defensive point of view, and that’s the grim…