Opponents argue that such legislation interferes with voters' rights to cast a ballot for the candidate of their choice, and say the rights of voters should take precedence over those of political parties.
Even friends in high places couldn't save House Bill 220, a corporate income tax bill that would have targeted large, out of state companies like Walmart.
A similar bill, House Bill 106, remains alive in the Wyoming House of Representatives and at last report was still awaiting action in a House committee.