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$10 lunch: Michigan Avenue

Frankie's Fifth Floor Pizzeria, 900 N. Michigan Ave.; 312-266-2500, It's hard squeezing charm from a slick food-courtish restaurant in an even slicker mall. But the Sardinian pizzas (about $9) from this casual umbrellas-and-deck chairs offshoot of Frankie's Scaloppine are chewy and... Christopher Borrelli/Tribune