Former Fox News host describes Vlodymyr Zelensky as 'sweaty and rat-like' and says 'UFOs are actually real' in Twitter broadcast. Tucker Carlson launched his new show on Twitter on Tuesday, spouting 9/11, Ukraine and UFO conspiracies. The former prime time Fox News host gave a 10-minute monologue as he spoke for the first time since being ousted by the cable network. He opened with a pro-Kremlin rant, describing Vlodymyr Zelensky, the Ukrainian president, as “sweaty and rat-like” and a “persecutor of Christians”.