Doesn't look good at first
Bear in mind, they were "detained for about 20 minutes by police before they were allowed to board their flight" and "since the August 2002 incident they have been able to fly without incident". So they were "harrassed" only once and nevertheless are allowed to sue the government over this incident. Contrast that with Castro's Cuba, where you would be more than merely delayed 20 minutes at the airport if you published a publication critical of the government.
The "land of the free" often leaves much to be desired, but let's never lose perspective.