Security is always the top priority in the world of airlines and airports. The events of September 11, 2001, led to even tighter airport security. Until now, only passengers holding valid boarding passes for the day of travel have had access to post-security areas of the airport. Thanks to Gateside by TSA PreCheck, a new TSA initiative, 13 U.S. airports have relaxed those strict rules. Let’s take a look at the details of this major development. n a nutshell, Gateside by TSA PreCheck is a new complimentary benefit of TSA PreCheck membership that grants members access to the secure post-security...