But do you know the context for what he said?
This is from
Jamie Stern-Weiner, linked to by
David Schneider as a different perspective to his own.
"Corbyn's joke was that the Palestinian Ambassador, a non-native, understood English irony better than his English critics. The premise of the joke was that the 'Zionists' who'd misunderstood him *were* English, not that they *weren't*."
I haven't seen anyone explain exactly what Hassassian was berated for but this is a
short report of the speech in parliament from one of the 'Zionists' who attended.