As the Chief of Rheumatology at Columbia Presbyterian, Dr. Paul Allen's specialty is diagnosing patients with conflicting symptoms, patients other doctors have given up on. He lives a contented life in Westport with his second wife and their twin sons--a life hard won after a failed marriage earlier in his career that produced a son named Daniel. In the gripping opening scene of this propulsive novel, Dr. Allen is home with his family when a televised...