Also see 'We won't let that happen:' Trump alleges social media censorship of conservatives (Politico)
"“The real question behind the question is, ‘Are we doing something according to political ideology or viewpoints?’ And we are not. Period,” Dorsey said. “We do not look at content with regards to political viewpoint or ideology. We look at behavior.”Twitter CEO Jack Dorsey admits ‘left-leaning’ bias but says it doesn’t influence company policy -- The Washington Post
“We need to constantly show that we are not adding our own bias, which I fully admit is more left-leaning,” he added. “And I think it’s important to articulate our own bias and to share it with people so that people understand us. But we need to remove our bias from how we act and our policies and our enforcement.”"