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Autoworkers at General Motors plants around the country are voting this week on whether to accept a new contract. The GM strike, now in its sixth week, is one of the biggest in recent history, but it's not unique. Over the last two years, hundreds of thousands of teachers, nurses and factory workers have walked off the job, demanding higher pay and better working conditions. NPR's Scott Horsley reports.
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UNIDENTIFIED PEOPLE: (Chanting) CTU.
UNIDENTIFIED PERSON: Who are we?