(Bloomberg) -- President Donald Trump’s firing of the chief labor statistician was criticized by her predecessor, who called it an unfounded move that will undermine confidence in a key data set on the US economy. Most Read from BloombergWe Should All Be Biking Along the BeachSeeking Relief From Heat and Smog, Cities Follow the WindChicago Curbs Hiring, Travel to Tackle $1 Billion Budget HoleNYC Mayor Adams Gives Bally’s Bronx Casino Plan a Second Chance“This is damaging,” William Beach, whom Tr