He seeks an open U.S. House seat this fall in the Democratic-leaning district centered around the state capital.
May Day returned to this industrial city Tuesday as hundreds rallied in front of the municipal Government Center.
New evidence shows how workers' rights have been eroded by governments between 2008 and 2012 under the guise of the economic crisis.
While President Obama is pushing for more safety, he warned business groups are pushing back with an "all out assault."
Three groups of Badger State workers have been 'disciplined' for opposing GOP Gov. Scott Walker.
The movement in New Haven for jobs, youth opportunity, and an end to violence filled the streets with a march of 2,000 last week.
The accusations, which workers have leveled at the giant range from desecration of the important archeological site of Teotihuacan to the introduction of genetically-modified foods.
Unionists and their allies made their stand for immigrants' rights clear outside the justices' front door.
The anti-union measure would have nullified NLRB rules that consolidate legal hearings regarding the union votes and shortening the time period for employers' appeals.
The suit was filed on behalf of two farm workers. They say they were victims of trafficking and other federal and state labor law violations.