
John Smith (right), a member of the International Brotherhood of Electrical Workers, joins others in expressing support for the Kemper County coal plant. They earlier opposed the plant because contractors for Atlanta-based Southern Co. were excluding union members. (Associated Press)

International Brotherhood of Electrical Workers members stand outside the capitol in Lansing, Friday, Dec. 7, 2012. Michigan could become the 24th state with a right-to-work law next week. Rules require a five-day wait before the House and Senate vote on each other's bills; lawmakers are scheduled to reconvene Tuesday and Gov.Snyder has pledged to sign the bills into law. (AP Photo/Paul Sancya)

President Obama is applauded as he arrives at the International Brotherhood of Electrical Workers (IBEW) Local No. 5 Training Center in Pittsburgh on Oct. 11, 2011. (Associated Press)