> Last July, the journal retracted 81 papers from another special issue, And they learned nothing in the year since, except to try far fewer articles. Why have

> Last July, the journal retracted 81 papers from another special issue, And they learned nothing in the year since, except to try far fewer articles. Why have "guest-edited issues" if as a rule they are going to undermine the work of their guests? Obviously they need a period of co-editing before they are willing to trust guest editors.