Long Island prosecutors have launched an investigation into U.S. Rep.-elect George Santos of New York, after revelations surfaced that the now-embattled Republican lied about his heritage, education and professional pedigree as he campaigned for office. But despite intensifying doubt about his fitness to hold federal office, Santos has thus far shown no signs of stepping aside — even as he has publicly admitted to a long list of fabrications. Advertisement “The numerous fabrications and inconsistencies associated with Congressman-Elect Santos are nothing short of stunning,” said Nassau County District Attorney Anne T. Donnelly, a Republican. “The residents of Nassau County and...