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Now Playing: 07-20-12 Marketplace

The Olympics is usually thought of as an economic win for the host town, but in the East End of London, there'll be some losers as well. Both President Obama and Mitt Romney are prominently featuring blue-collar workers in their campaign ads -- why is the rest of the working world left out? Watches, having been made basically useless thanks to cell phones, are now making a fashionable comeback. Reporter Shereen Marisol Meraji takes a look at the economic impact of Ramadan, which begins today.  And commentator and culture journalist Alyssa Rosenberg reflects on the shooting that took place at a midnight screening of "The Dark Knight Rises" in Aurora, Colo.