However, I don't recall a single occasion when he has presented an argument based on actual facts, as established by recognised research, with an explication of - or, even better, link to [1] - the original research that justifies his assertions.
Has there ever been such an occasion?
Not that I expect intellectual rigour or anything... well, not any more

[1] And no, linking to the Daily Mail web site - or even The Grauniad web site - doesn't count.
