Jean Chretien, former Prime Minister of Canada, developed this kind of thing to a fine art, using his French accent and phraseology as a kind of smoke-screen. He did it deliberately, as a way of not answering difficult questions.

A comedian who routinely impersonated Chretien tells about being at a press conference at which Chretien delivered one of his convoluted, nonsensical answers - then he winked at the comedian.