Twitter users who disapprove of President Donald Trump are especially prominent on the platform, Pew Research Center finds. There's no question that Twitter plays a major role in US politics, particularly with its policy of letting world leaders like President Donald Trump tweet what they want, even if those tweets violate the tech giant's rules of engagement. But only 22% of Americans actually use Twitter, and of those, most political tweets are coming from a very small number, according to a Wednesday report from the Pew Research Center. Pew analyzed the tweets of more than 2,400 random US adults with...