The images appeared on Twitter in late 2016 just as the presidential campaign was entering its final stretch. “Obviously we can win Pennsylvania,” Mr. Mackey said on Twitter, using one of his pseudonymous accounts less than a week before the election, according to a complaint and affidavit. That tweet told viewers they could vote for Ms. Clinton by text message. That notion, perhaps predictably, has proliferated on Twitter, advanced by people using some of the same tools that prosecutors said Mr. Mackey used to disseminate lies. The post Trial of 2016 Twitter Troll to Test Limits of Online Speech appeared first on New York Times.