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CNN is tracking the longest airport wait times, and what to know if you miss your flight. The state of talks between the US and Iran remain unclear as the war wages on. Voters are heading to the polls in Palm Beach, Florida for a special election that could flip the president's home district. Secretary of State Marco Rubio is testifying in the criminal trial of a former congressman and close friend. Plus, which produce tops this year’s “Dirty Dozen” list and how to reduce your pesticide exposure.

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