“The root cause of the longest halt in flight departures to U.S. airports since 9/11 remains unclear after a Saturday press conference by U.S. transportation officials,” CNBC reports.
“Routers and networking equipment appeared to be involved in the technological disruption that grounded flights across the country, but a definitive cause has not been established as of Saturday afternoon.”
CNN: What we know about the cause of the nationwide FAA ground stop.


?Political Trivia
Eight moments in political history. Put them on a timeline.
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Five senators. Three bills. Can you guess how they all voted?
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Nine Justices. One case. How did they rule?
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Do you have your finger on the pulse of America?
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Four questions a day.
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