Jared Polis warns Colorado’s progressive tax ballot measure could ‘cripple’ the economy

Politically, the progressive income tax proposal is dividing Democrats. "Utah has a very similar tax rate to what we have.

The Colorado Democratic Party has endorsed Amendment 87 (along with many of its usual allies, like the AFL-CIO and the state's largest teachers union). We will not be able to attract new employers to Colorado if the voters adopt this."It's not just Utah.