In our federalist system, the saying goes, the states are laboratories of democracy. State governments test out different policies or even political strategies that may someday reach the whole country or drive red and blue states further apart. This year FiveThirtyEight is tracking what that looks like -- what legislation is being proposed and passed and how Republicans and Democrats are going about things differently. In this installment of the podcast, the crew looks at new proposals on guns, tax and spending plans and identity. Learn more about your ad choices. Visit megaphone.fm/adchoices