Travelers line up at a security checkpoint at Denver International Airport. Expedited entry programs, such as TSA PreCheck in the United States, can help cut down wait times. Photograph by Michael ...

March 19 (Reuters) - Lebanese food courier Hamza Hareb now keeps his distance if he spots a car with tinted windows while on a delivery run in Beirut. Hezbollah is rumoured to use such cars, and Hareb ...