President Donald Trump's Twitter feed. Twitter users say Trump is violating the First Amendment by blocking people from his feed after they posted scornful comments. (AP/J. David Ake)

Trump’s Not the Only One Blocking Constituents on Twitter

As elected officials increasingly turn to social media to communicate with constituents, some are blocking those who disagree with them. Some say it violates the First Amendment. Legislators say it’s about promoting a “healthy, civil dialogue.” Expect court battles ahead.