Amendment 64 paved the way for the legal use of recreational marijuana in Colorado. It also tasked state lawmakers with enacting an excise tax on marijuana sales to fund public school construction.
With just over three weeks until the election, the campaign asking Colorado voters to approve a $1 billion tax increase to pay for improvements to public schools are planning what they call a robust door-to-door operation.
Coloradans face two statewide ballot measures this November. Both seek to raise taxes, but for very different reasons.