AFL-CIO President Richard Trumka, seen here in August 2010 introducing President Obama for a Washingon speech to the labor federation's executive council, said Tuesday that all 57 affiliates of the AFL-CIO voted to support Mr. Obama's bid to win a second term with money and manpower. (Associated Press)

AFL-CIO President Richard Trumka, seen here in August 2010 introducing President Obama for a Washingon speech to the labor federation's executive council, said Tuesday that all 57 affiliates of the AFL-CIO voted to support Mr. Obama's bid to win a second term with money and manpower. (Associated Press)