UK Labour Party
But Channel 4 says its report is 'vital'.
Jewish MP calls Mason's remarks 'disgraceful and offensive'.
The one thing people think he is is honest.
'Pound shop Malcolm Tucker stuff'
'I only meant it as an obvious pisstake.'
This isn't quite what they had in mind.
It's not just Labour who are unhappy
Rebecca Long-Bailey says no other leader has been subject to such 'apocalyptic' treatment.