"Why did the FBI detain and question a 62-year-old British environmentalist upon his arrival at New York City's John F. Kennedy Airport? The bureau won't say, and the activist, who was subsequently shipped back to London, never got a clear explanation." The answer, it seems, involves superglue.
"Last Thursday, prominent British enviro John Stewart traveled to the United States to take part in a monthlong speaking tour organized by Aviation Justice Express, a US-based coalition of environmental and community-based groups. The tour was scheduled to stop in six cities across the US, where Stewart was slated to discuss his work in the United Kingdom on aviation pollution."