The biggest mistake Ed Milliband ever made was to resign as leader when he did. Since his departure his party has been drifting rudderless, caught up in a leadership election for which it was not prepared and in which it appears unable to see the wood for the trees. Now the whole election process has been called into question with allegations of weirdoes from both left and right becoming supporters just to make mischief and skew the result. How on earth the party has electoral arrangements of such a peculiar style is difficult for all outsiders and many insiders to fathom. Nevertheless this is a slippery slope. Order must be restored at once or the whole party will go over the cliff. If that happens, like Humpty Dumpty, it might not be easy to put it together again.