https://www.sfchronicle.com/business/article/Twitter-CEO-on-Trump-ban-right-decision-15868926.php > Twitter CEO Jack Dorsey said Wednesday that the company’s ban of President Trump was the “right decision” with ongoing risk of violence resulting from online speech and admitted the company had previously fallen short. > “While there are clear and obvious exceptions, I feel a ban is a failure of ours ultimately to promote healthy conversation,” Dorsey said in a series of Twitter posts.