Alert readers have reported that their flight, United Airlines 3681, from St. Louis to Washington Dulles had to make an emergency return to the gate as it prepared for take-off. According to local officials, it was found that two men who had boarded the plane as ‘federal air marshals’ didn’t have the proper credentials. Passengers were deplaned, all luggage was removed and re-scanned. All passengers were also re-screened. Passengers are now in the process of re-boarding. There is no word on the two ‘air marshals.’ BigGovernment has contacted security officials in St. Louis. We will report back what we hear....