Mark my words: Your wife will soon be asked to remove her sheitel for airport security, or have it "patted down" for bombs and the like.
OK, OK, maybe I'm just a little sensitive about articles like this one on searching Turbans after The PT (age 6) was frisked on her way through Atlanta security recently.
Can we start screening more intellingently, please? Sikhs aren't blowing up airplanes! Neither are 6 year old girls and little old ladies from Miami! Muslims are!