Although the 2016 US presidential primaries garnered profound dissatisfaction with the nomination process, leading to widespread accusations of unfairness within both parties, most voters will forget our current system’s issues until the 2020 election. But in a new paper, Brennan Center fellow, Roll Call columnist, and Yale lecturer in political science Walter Shapiro argues that 2020 will be far too late to rethink the nomination process – and there are a series of practical and effective reforms that could be put in place now to create a more representative system that limits the chances of unpopular or controversial candidates.