‘When Sir Ivan Rogers stepped down in January as the UK’s top official in Brussels, he urged his colleagues to “continue to challenge ill-founded arguments and muddled thinking” and not to be afraid “to speak the truth to those in power.” The implication was clear. The government’s Brexit preparations displayed all these failings but the politicians responsible did not like having this pointed out.’
OUP Blog, 3rd February 2017
Source: www.blog.oup.com