Nation: Great Escapes

Feeling all choked up? Sakowitz's department store in Houston is marketing a "home dome" that completely encloses houses and grounds in vinyl. Beneath the dome, which costs $7.50 per square foot, 300 to 1,000 tons of electric air conditioning will maintain an Astrodomic 72° in summer, while the structure seals out smog and soot. For less well-heeled customers, Sakowitz offers a cheaper escape from the noxious fumes: a sequined gas mask for $6.

In Dallas, Neiman-Marcus has another idea: if the air breeds black lungs, lift sail. For a fitting departure, the store will...

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