American labor can begin the new year with thanks that 2012 is over. Not that the unions didn’t win some big victories in 2012. Their political programs in key swing states played a major role in President Obama’s re-election, both by turning out minority voters in record numbers in Ohio, Nevada, and Florida and by winning Obama a higher share of white, working-class voters in the industrial Midwest than he won in other regions. Their efforts also helped liberal Democrats hold key Senate seats in Ohio (Sherrod Brown) and Wisconsin (Tammy Baldwin), and pick up Massachusetts (Elizabeth Warren). In California, the nation’s mega-state, unions beat back a ballot measure designed to cripple their political programs by a decisive 12.5-percent margin, turning out so many voters that they also helped a key tax-hike measure pass at the polls and enabled the Democrats to win super-majorities in the state legislature.

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