STEPHEN CRABB and Alun Cairns, promoted by the Prime Minister this weekend, both hail from Wales and know each other well.

But beyond their heritage, the pair have have one important thing in common: neither has ever rebelled.

Rocked by the resignation of Iain Duncan Smith, David Cameron’s top criteria for Cabinet replacements was a slavish loyalty to the Tory whip and if possible his own clique within the party.