The leftwing, pro-Palestine streamer’s interrogation by airport officials on his return to the US shows a chilling escalation of the war on free speechWhere are all the free speech warriors on the right now? Hasan Piker, a popular streamer with 4.5 million followers across YouTube and Twitch, who has been hailed by mainstream publications such as the New Yorker and New York Times as the left’s answer to the deluge of rightwing internet influencers, says he was detained and questioned for hours by border control agents as he re-entered the US (Piker is a US citizen). It is an instructive moment. Countries that behave like this towards political commentators and dissenting voices who are their own citizens are either nakedly authoritarian, or well on the way.Piker was reportedly interrogated at length not just about Hamas, the Houthis and Hezbollah, but his views on Donald Trump. The 33-year-old pundit – an unapologetic champion of the Palestinian cause – stuck to a message of opposin...