 He has also contributed on multiple occasions to "Sputnik".Blumenthal founded "The Grayzone" website a month after his visit to Moscow.Gilbert Achcar wrote in an October 2019 article for "New Politics" magazine that along with the World Socialist Web Site, Blumenthal's "Grayzone" has "the habit of demonizing all left-wing critics of Putin and the likes of Assad by describing them as 'agents of imperialism' or some equivalent."