John Barnes basically just said that the problem isn't the Jews, it's the Zionists on Live TV

The backlash started straight away on Twatter.

https://www.express.co.uk/news/politics/1090683/bbc-question-time-john-barnes-jew-race

Jan 23 2017

"Robert Hannigan, Director of GCHQ since 2014, has today announced his decision to step down once a successor is in place. "

https://www.gchq.gov.uk/news-article/director-hannigan-gchq-step-down

https://twitter.com/GCHQ/status/823546837374222336

Feb 24 2019

Theresa May allowed GCHQ spy chief to resign for 'family reasons' after he helped PAEDOPHILE Catholic priest avoid jail - despite media being told he would be 'caring for a sick relative'

https://www.dailymail.co.uk/news/article-6738081/GCHQ-spy-chief-quit-helped-paedophile-Catholic-priest-avoid-jail.html

He's now Executive Chairman of BlueVoyant Europe - @BlueVoyant

Searched for Twitter accont and the first match was

https://twitter.com/roberthannigan

Doesn't seem to be the same guy (but Hannigan was a UK liaison in the US for a time), but there's a coincidence with a pinned twat on this account - see pic - #TheMoreYouKnow.