They apologized

"The nine members of the delegation were about to fly to Tampa, Florida from Dulles when they were pulled off the plane and questioned for over two hours.  The United Airlines flight crew had become concerned over a remark by one of the officers, a Pakistani official told AFP on Wednesday.  The Pakistanis showed security authorities their passports and letters of invitation to the conference at Central Command, but by the time they were released they had missed their flight, the official said."