P.M. Edition for May 6. A series of tech problems has exposed cracks in U.S. air-traffic control systems. WSJ aviation safety reporter Andrew Tangel discusses what it would take to fix them. Plus, President Trump says he’s reached a truce with the Houthi militant group in Yemen. And America’s trade deficit hit a record in March, as businesses stocked up ahead of the sweeping tariffs Trump imposed the following month. Alex Ossola hosts.

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