Chief Justice John Roberts -- who’s on the verge of an extraordinarily high-profile balancing act presiding over the impeachment trial of President Donald Trump -- issued a warning on Tuesday about the dangers of misinformation in the internet era. Roberts was not explicit about whether his call for increased civics education was intended as a rebuke of Trump, although some quickly read it that way. Trump has been widely criticized for repeating false information released online and for retweeting messages posted by conspiracy theorists and racists. Read Roberts' message here.