Ayesha Rascoe

Memo aims to rebut a GOP document that he made public last week claiming FBI bias against him.

‘You had someone as despicable as Hitler who didn't even sink to using chemical weapons.’

Among those barred are CNN, New York Times, Politico and Los Angeles Times.

Trump has won enthusiastic backing from prominent white supremacists.

Leaks from the intelligence community led to some US media outlets reporting unsubstantiated claims, he says.