In short, it's because of the language barrier and the fact that many immigrants who drive cabs are Muslim, which makes getting a job that much harder, says Ahmed Odawaay, 30, who drove a cab in Denver from 2003 to 2009.
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Below are two clips from an interview with Odawaay, who says driving a taxi cab -- for him, anyway -- "is the worst thing you could ever do."
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