An L.A. Times investigation found that jet engine oil can leak into the air supply of passenger planes, creating a toxic cocktail that can lead to health problems. It happens with an alarming frequency across all airlines — and that’s despite the airline industry and its regulators saying otherwise. The Times investigation just might result in real-world change.Host: Gustavo ArellanoGuests: L.A. Times investigations reporter Kiera FeldmanMore reading:After Times investigation, Congress is moving to curb toxic fumes on airplanesHow toxic fumes seep into the air you breathe on planesSmells on a plane: Have you been exposed to toxic chemicals while flying?

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