[dropcap]I[/dropcap]magine yourself walking in the Galleria, minding your own business. You stroll into the Apple Store, checking out the new iPhone and MacBook Pro. Then you spend some time browsing various...

[dropcap]A[/dropcap] woman impatiently taps her heel. A guy with a Trenta-sized iced coffee twiddles his thumbs. A baby wails in the background: Welcome to airport security. This holiday season, millions...