The British Prime Minister in an Age of Upheaval, by Garnett, Mark. Polity Press. 277 pp. £18.99 Mark Garnett has written a witty and highly readable book that should stimulate reassessment the conventional wisdom on role Ministers politics. style is unusual for author from university department politics, all livelier that. Noting Dominic Cummings's desire to bring ‘weirdos misfits with odd ski...