NTSB POUNDS AMTRAK SAFETY CULTURE: Amtrak had a “deficient” safety culture marked by a hyper-focus on following rules and marred by a silent acceptance of workarounds that enabled one of its trains to crash into an active work zone last year near Philadelphia, killing two track workers and injuring dozens, NTSB determined Tuesday. It was altogether a jarring assessment of the company’s safety posture at the time of the collision, with investigators discovering more than two dozen unsafe conditions revealing an inconsistent safety vision across layers of Amtrak’s corporate structure.