I-185's critics doubt its constitutionality; backers point to similar initiative in 2004

While debate swirls over the cost of an initiative to expand Medicaid by raising taxes on Montana tobacco products, questions over the measure’s constitutionality are drawing attention too.

Initiative 185 has the support of the American Heart Association, the Montana Hospital Association and Gov. Steve Bullock, who hope raising the tax on tobacco would help fund an expansion of Medicaid. Opponents include major national tobacco producers and the Montana Republican Party.

I-185 asks voters to increase the taxes on a pack of cigarettes by $2. Additionally, the measure would amend the definition...