Federal authorities arrested possibly more than 100 George Bush Intercontinental Airport employees who have criminal records or immigration violations early this morning. The sweep is part of Operation Tarmac, a nationwide push to secure airports after the 9/11 attacks in Washington, New York and Pennsylvania. In the Houston round-up, some of the employees were told to report to the airport's Marriott Hotel to pick up new badges. Instead, the feds arrested them and took them to the federal court house to face charges of various criminal offenses. Other employees were rounded up in Terminal A. While other airports around the...