Why were US job numbers which riled Trump revised down by so much? BBCTrump firing of labor statistics chief ‘undermines credibility’, ex-leaders say The GuardianTrump Fired America’s Economic Data Collector. History Shows the Perils. The New York TimesThe jobs data revisions that cost a US government statistician her job ReutersBanana republic? Trump puts credibility of US economic data on the line Al Jazeera