After nearly three decades of similar disagreement, Wales was, in effect, given permission to choose a capital by the Minister for Welsh Affairs Sir DavidMaxwell Fyfe in 1951.
Mr Macmanus, a former ministerial adviser, traces the Conservatives' changing attitudes from the anti-gay crusading of 1950s home secretary DavidMaxwell Fyfe to an era when a Conservative prime minister can support gay marriage at his party conference and win a round of applause.