Donald Trump on Thursday evening lashed out at his own attorney, whom the former president says told him not to attend a civil trial in which he was found liable for defamation and sexual assault. Trump has repeatedly lashed out against E. Jean Carroll, the magazine writer who won millions in the civil case against him. He doubled down on those attacks in a post on social media, using a news story about the co-founder of LinkedIn as a jumping off point. Trump posted an article claiming that LinkedIn co-founder Reid Hoffman gave $250,000 to support Nikki Haley’s campaign. “This disgusting Slob,…