Equally amazing in regard to Hugh Laurie to me was his transformation from Bertie Wooster (and Blackadder characters) into House...

Matt, a few years back I took the deposition of a physician, a nephrologist, who was from Northern Ireland. His accent was pleasant to hear. But now I see why he said "so" so often, something I've wondered about....

I'd ask a question. He'd pause, and then begin his answer with "so,...".