The US State Department announced on Tuesday it was barring five Europeans it accused of leading efforts to pressure US tech firms to censor or suppress American viewpoints. The Europeans, characterised by US Secretary of State Marco Rubio as “radical” activists and “weaponised” non-governmental organisations, fell afoul of a new visa policy announced in May to restrict the entry of foreigners deemed responsible for censorship of protected speech in the United States. “For far too long,...