Labor

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Protesters march past a closed shop during a union demonstration Wednesday in Thessaloniki, Greece. Officials announced Europe has been in the second leg of a double-dip recession since the fourth quarter of last year. The overall European unemployment rate is at a record-high 11.6 percent, and it is hovering around 25 percent in Greece and Spain. (Associated Press)

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Police officers try to push protesters back onto the pavement Nov. 14, 2012, after they blocked traffic on Oxford Street in London while demonstrating against the dismissal of 28 workers employed by contractors on the Crossrail transport project, whom they say were fired for being trade union members. (Associated Press)

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A police officer fires tear gas as police face demonstrators during a protest against Italian Government austerity measures in Turin, Italy, Wednesday, Nov. 14, 2012. Workers across the European Union sought to present a united front against rampant unemployment and government spending cuts Wednesday with a string of strikes and demonstrations across the region. Protesters clashed with police in various demonstrations in Rome, Milan, Turin, Padua and Brescia. (AP Photo/Fabio Ferrari, Lapresse)

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A woman cries out as she tries to help a protestor who lies injured on the ground as a policeman stands nearby, after clashes with riot police during a general strike in Valencia, Spain, Wednesday, Nov. 14, 2012. Spain's General Workers' Union said the nationwide stoppage, the second this year, was being observed by nearly all workers in the automobile, energy, shipbuilding and constructions industries. (AP Photo/Fernando Hernandez)

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Demonstrators clash with riot police during a protest against Italian Government austerity measures in Rome, Wednesday, Nov. 14, 2012. Workers across the European Union sought to present a united front against rampant unemployment and government spending cuts Wednesday with a string of strikes and demonstrations across the region. Protesters clashed with police in various demonstrations in Rome, Milan, Turin, Padua and Brescia. (AP Photo/Gregorio Borgia)

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A protestor is held by riot police during clashes in a general strike in Madrid, Spain, Wednesday, Nov. 14, 2012. Spain's General Workers' Union said the nationwide stoppage, the second this year, was being observed by nearly all workers in the automobile, energy, shipbuilding and constructions industries. (AP Photo/Daniel Ochoa de Olza)

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Demonstrators shout and wave flags as they march through Gran Via street during a general strike in Madrid, Spain, Wednesday, Nov. 14, 2012. Spain's General Workers' Union said the nationwide stoppage, the second this year, was being observed by nearly all workers in the automobile, energy, shipbuilding and constructions industries. (AP Photo/Daniel Ochoa de Olza)

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Protestors use spoons and pans to make noise during an European trade union protest in Brussels on Wednesday, Nov. 14, 2012. With rampant unemployment spreading misery in southern Europe and companies shutting factories across the continent, workers around the European Union sought to unite in a string of strikes and demonstrations on Wednesday. (AP Photo/Geert Vanden Wijngaert)

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Police clash with demonstrators during a protest against Italian Government austerity measures in Rome, Wednesday, Nov. 14, 2012. Workers across the European Union sought to present a united front against rampant unemployment and government spending cuts Wednesday with a string of strikes and demonstrations across the region. Protesters clashed with police in various demonstrations in Rome, Milan, Turin, Padua and Brescia. (AP Photo/Gregorio Borgia)

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Workers shout slogans and hold a banner reading " Employment, pensions, united across Europe" , during a demonstration against austerity, in Marseille, southern France, Wednesday, Nov. 14, 2012. With rampant unemployment spreading misery in southern Europe and companies shutting factories across the continent, workers around the European Union sought to unite in a string of strikes and demonstrations on Wednesday, with strikes and protests planned in Italy, Greece, Portugal, France and Belgium. (AP Photo/Claude Paris)

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Demonstrators clash with policemen in riot gear during a protest against Italian Government austerity measures in Rome, Wednesday, Nov. 14, 2012. Workers across the European Union sought to present a united front against rampant unemployment and government spending cuts Wednesday with a string of strikes and demonstrations across the region. Protesters clashed with police in various demonstrations in Rome, Milan, Turin, Padua and Brescia. (AP Photo/Gregorio Borgia)

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Protesters carry a banner reading "Resist the measures" during a union protest outside Parliament in Athens on Nov. 14, 2012. Workers across the European Union sought to present a united front against rampant unemployment and government spending cuts with a string of strikes and demonstrations across the region. (Associated Press)

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A protester covers her head in a plastic bag, meant to show that austerity measures are suffocating Greeks, outside Parliament during a union protest in Athens on Nov. 14, 2012. Workers across the European Union sought to present a united front against rampant unemployment and government spending cuts Wednesday with a string of strikes and demonstrations across the region. (Associated Press)

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A protester sits in Gran Via street during a general strike in Madrid on Nov. 14, 2012. Spain's General Workers' Union said the nationwide stoppage — the second this year — was being observed by nearly all workers in the automobile, energy, shipbuilding and constructions industries. (Associated Press)

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GOP Sens. John McCain of Arizona and Lindsey Graham of South Carolina (right), have advised 15 of the country’s largest defense contractors to follow the federal Worker Adjustment and Retraining Notification Act. (Associated Press)