
It is surely a coincidence that Kath Viner’s three predecessors as Guardian editors - Alastair Hetherington, Peter Preston, and Alan Rusbridger - all stuck around for roughly 20 years, a longevity enjoyed by few others at the helm on Fleet Street.
If her tenure follows the same pattern Viner, who took up the role of editor in chief in June 2015, is just over half way through her stint as editor-in-chief.