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Story summary
- The ACLU sued the National Park Service on April 23, 2026, over a permit cancellation.
- The threat arose because demonstrators displayed anti-President Donald Trump signs.
- The complaint names Interior Secretary Doug Burgum and National Mall superintendent Kevin Griess, who emailed on April 14 calling the signs obscenity.
- The ACLU says the signs are protected by First Amendment, noting organizer Dave Mytych stopped displaying them to avoid enforcement, though permit remains.
