Article Photos: Michigan GOP approves right to work amid protests 13/20

State police keep union workers from entering the Capitol in Lansing, Mich., Thursday, Dec. 6, 2012 as Senate Republicans introduced right-to-work legislation in the waning days of the legislative session. The outnumbered Democrats pledged to resist the proposal and said rushing it through the legislative system would poison the state's political atmosphere. (AP Photo/Carlos Osorio)