She has a gallon of water on her desk at work. ("I'm constantly going to the bathroom, " she says.) She's given up French fries and French bread, possibly her two biggest diet downfalls, although she gives herself permission to splurge during one meal a week.

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In the past, he would typically consume a salad, a bowl of onion soup, a 14-ounce rib-eye steak with french fries, vegetables, bread and butter and a dessert--all washed down with diet Coke.

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This is particularly true of hotels and how they deal with toasting bread, frying eggs, arranging lettuce, crisping bacon and cooking French fries.

ECONOMIST: Business travel