PM also repeatedly refused to say what she meant by "dire consequences" for the UK if it failed to get a good Brexit deal
"No deal for Britain is better than a bad deal for Britain," says prime minister in major Chatham House address
Joshua Chambers has travelled the world meeting government innovators. Here, he shares some of their secrets.
Parliament must be given a say on "hugely complex task", says the Exiting the European Union Committee
As Whitehall comes under attack, Downing Street needs to lead from the front, argues Sue Cameron
UK's current consul general in New York heading back to Whitehall as perm sec, as DIT makes plans to bolster top team with "expert" second-in-command
Exactly why the UK's EU ambassador resigned will remain a mystery for some time. But, says former special adviser Dan Corry, top officials usually quit when subject to constant criticising, whispering and gossip from politicians
UK's current consul general in New York set for Whitehall return, according to reports
The recent attacks on the civil service paint it as being incapable of making Brexit work. But senior officials are increasingly alarmed that the government is forcing them into positions that make them look stupid and out of control
Exclusive: Public Administration and Constitutional Affairs Committee chairman says Brexiteers' calls for a clear-out of the civil service are "complete rubbish" — but attacks interventions of former permanent secretaries in wake of EU ambassador's resignation
Brexiteers react with fury to Senior Salaries Review Body submission that suggests implementing EU referendum result is pushing Whitehall to its limits
Public Administration and Constitutional Affairs Committee chairman also warns former top officials against playing into the "stereotype" of a Europhile civil service
Many talented civil servants have stepped forward to work on Brexit, says Dave Penman of the FDA union. So why aren't ministers doing more to defend them?