GREG Clark, the UK Business Secretary, has underlined the rift within Whitehall over Brexit by issuing a thinly-veiled rebuke to a senior Cabinet colleague for criticising the decision by Airbus to air in public its concerns about Britain’s EU withdrawal. . http://www.heraldscotland.com/news/16313474.greg-clark-underlines-whitehall-rift-with-thinly-veiled-rebuke-to-jeremy-hunt-over-airbus/