Associated press photographs
Micheal Davis, left, Eric Keller, center, and Douglas Norton, right, volunteers with the Protect Our Jobs Coalition, deliver boxes of petitions for a proposal to add collective bargaining rights for workers into the Michigan Constitution to the state Bureau of Elections Wednesday, June 13, 2012, in Lansing, Mich. The Protect Our Jobs initiative was launched in March. It pushes back against a possible right-to-work movement in Michigan, which seeks to ban labor contracts that mandate payments to unions. (AP Photo/Al Goldis)