Blumenthal proceeded to answer his own question. He explained that in a sixteen-hundred-page manual, MCAS was mentioned only once—in the glossary, a pattern of deliberate concealment. “So when Boeing came to us and said it’s the pilots, you were lying to us as well,” the senator said. “Would you agree that this system of oversight is absolutely broken—that’s the lesson here, isn’t it? That Boeing lobbied the Congress for more delegation and now we have to reverse that delegation authority?”
