The Supreme Court has agreed to take up a case that may determine the future of the country’s campaign finance laws. 30 years ago the court ruled that the government may limit how much money donors give to candidates, but it may not limit how much the candidates spend. The case centers on a Vermont state law that caps spending in races for governor at $300,000 per candidate, with smaller caps for other state offices. Backers of the law’s provision say a favorable ruling from the high court could stem the ever growing tide of big money in politics; critics of the law say limiting spending on campaigns improperly impinges free speech.