Donald Trump recently posted a bond for more than $90 million in connection with a civil suit in which he was found liable for defaming columnist E. Jean Carroll, who a jury found was sexually assaulted by the former president in the 1990s. At a rally on Saturday, he opened himself up to more litigation on that same front, according to a legal expert. Former federal prosecutor Shan Wu appeared on CNN Newsroom Live, where the host played a video of Trump speaking at a rally just minutes earlier. At the rally, Trump raised the issue of the massive bond. “91 million based on false accusations mad…