Poor old Gerard "Gollum" Henderson. His stock in trade for many a year has been picking up on petty errors among his foes, yet these days he's having so many senior moments that his gotchas often as not end up being "gotcha (Media Watch) Dog caught in your fly".

Here he is, on April 7, in an interminable piece picking up Rob Manne on some alleged inaccuracy or other (tb;dr) in a contribution to a recent anthology: