Faced with having to pay writer E. Jean Carroll $88.3 million in total damages as the result of two separate trials related to sexual assault and defamation, Donald Trump is facing an overwhelming cash crunch should Judge Arthur Engoron also slam him with millions more in penalties in the still-to-be-concluded financial fraud trial. In an interview with former U.S. Attorney Joyce Vance, former Trump biographer Tim O’Brien speculated that the former president has approximately $600 million that he can tap into — but he could be looking at penalties close to $460 million that would devastate the…