On tonight's CBS Evening News podcast -- the travel nightmare stranding passengers of Southwest Airlines after more than two thousand flights were cancelled over the weekend. Did a company-wide vaccine mandate play a part in the airline's recent troubles? Also -- more on the US Navy engineer and his wife accused of trying to sell America's nuclear secrets -- what they allegedly tried to do and how the FBI caught them.

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CBS Evening News with Norah O'Donnell, 10/11