Far-right influencer Nick Fuentes has declared Donald Trump 'totally irrelevant' and already a 'lame duck,' marking another ugly break between the president and one of his most extreme former supporters. Fuentes, a white nationalist podcaster who once supported Trump, posted the blunt attack on X on July 21. 'Trump feels totally irrelevant now,' he wrote. He then pointed to two recent public appearances that, in his view, failed to move the coun…