@CNN: The power is back on at Atlanta’s Hartsfield-Jackson airport, but the question remains: Why did the busiest airport in the world go dark for nearly 11 hours? https://t.co/hTXrTo4C8f https://t.co/CUDGJgMvNu

@CNN: The power is back on at Atlanta’s Hartsfield-Jackson airport, but the question remains: Why did the busiest airport in the world go dark for nearly 11 hours? https://t.co/hTXrTo4C8f https://t.co/CUDGJgMvNu