Continuing budget cuts at publisher Condé Nast has led to the final indignity: senior Vogue staffers no longer being ferried by private cars and cabs on the company dime. New publisher Susan “Cab-Killer” Plagemann is said to be behind the move to make the fashionistas take the subway. Even associate publisher Lottie Oakley was forced to ride underground last week. A Vogue rep refused to comment.