https://thenextweb.com/politics/2018/05/23/federal-judge-rules-trump-cant-block-people-on-twitter/

A Federal Judge today ruled that public access to Donald Trump’s personal Twitter account is protected under the First Amendment of the US Constitution. That means, if you’ve been blocked, the president of the United States of America is personally denying your right to free speech.

Plaintiffs, including The Knight First Amendment Institute, alleged that defendants Donald J. Trump, Hope Hicks, Sarah Huckabee-Sanders, and Daniel Scavino violated their free speech by blocking them on Twitter for replying to @realDonaldTrump tweets with politically inflammatory comments: