NEW YORK — A billionaire investor with ties to the late pedophile Jeffrey Epstein has been accused of raping a young mother at Epstein’s Upper East Side mansion under New York’s new Adult Survivor’s Act. Epstein’s estate was also named as a defendant. The alleged victim claimed that Leon Black, once one of the most powerful men on Wall Street, sexually assaulted her during a violent attack Epstein helped orchestrate in his opulent Manhattan home in 2002. According to the lawsuit, the woman was raped in a third-floor secluded room at the mansion, where she had agreed to give Black a message in ...