UPDATE 1-UK's Galloway in row over "Big Brother" TV show (Adds Fitzpatrick quote, para 7) By Kate Holton LONDON, Jan 10 (Reuters) - Maverick British parliamentarian George Galloway, who famously attacked the war in Iraq during a feisty performance in the U.S. Senate, is at the centre of a new row. The flamboyant politician is currently taking part in the reality television show "Celebrity Big Brother," for which he is locked in a camera-filled house with, among others, a glamour model, former basketball player Dennis Rodman, and a singer called Maggot. And some of his London constituents are not happy....