http://www.naacpldf.org/ ( link to petition filed.
Omaha World Herald has complete history link of legislative process and why action was taken at Omaha.com

I was disappointed that our only Black Senator participated in this legislation in his last act in Nebraska Unicameral.
I am very proud that my nephew is one of the filing attorneys.
This case is of national importance and was filed on the anniversary of Brown vs The Board of Education.