How To Navigate Airport Security.

Byline: INTERVIEWS BY DANIELLE PERGAMENT, ERIN QUINN, AND EMILY HSIEH

Advice from the experts on how to score at a sample sale, get through airport security quickly, order what you really want at a restaurant, and more.

An Interview With Peter Greenberg

Greenberg, Today' s travel editor, wrote Don't Go There! The Travel Detective's Essential Guide to the Must-Miss Places of the World (Rodale Books).

We have all been taught how to dress for travel, but it's almost more appropriate to think about ways to undress. There's always someone who seems to need an hour to empty everything into those plastic bins; if you follow a few tricks, it won't be you.

Know the shortcuts. There may be a shorter line for premium members of a frequent-flyer club, or for $199 you can get a Clear Card, which gets you onto an express line at security. The Clear Card is not accepted at a lot of major airports, however, so it may only be worth the money if it's in use at your home base.

Pick a different line. People tend to go through security in the place that is closest to their gate, but that's usually the longest line. Ask someone at the airport if the next terminal has access to your boarding gate; ...