Sen. Chris Murphy, D-Conn., is calling for greater regulation of the internet and social media, arguing changes are needed to address misinformation and political polarization. Murphy says the goal is to create an online environment where people are less susceptible to political demagogues, citing President Donald Trump as an example. His comments are renewing debate over free speech, government regulation and the role of tech platforms in shaping political discourse. Rea what Murphy had to say: