https://www.reuters.com/article/us-twitter-trump-minneapolis-dorsey/twitter-says-ceo-dorsey-informed-in-advance-of-decision-to-tag-trump-tweet-idUSKBN2351CG >Twitter CEO Jack Dorsey was informed in advance by the company's staff of a decision to tag a tweet by President Donald Trump as "glorifying violence", a spokeswoman for the company said.