The FBI had a mole inside Gov. Gavin Newsom’s political orbit before the agency’s corruption probe expanded into the governor and his wife, The Post has learned. Democrat insider Alexis Podesta, 45, secretly recorded conversations during the criminal probe into Newsom’s then-chief of staff, Dana Williamson, 53, who pleaded guilty to federal fraud and tax charges in May, according to Williamson’s attorney. The revelation she was wearing a wire as far back as June 2024 explains why a swath of Sacramento political insiders and lobbyists were stunned to receive FBI letters last fall informing them that their phone calls had...