In this era of political polarization, it is tempting to assume the political center no longer exists. If this were true, it would certainly simplify things for political candidates and their strategists. They could stop worrying about how to persuade unaligned voters and concentrate exclusively on mobilizing their core partisans. However, this is not the case. As this new Progressive Policy Institute (PPI) poll by veteran Democratic pollster Peter Brodnitz shows, Swing voters exist, and they hold the balance of power in key 2016 battleground states. For Democrats especially, this survey yields a clear lesson: To hold the White House, recapture the Senate, and reduce the Republican House majority, candidates must craft messages that appeal beyond the party’s base to a substantial body of voters who are not in a fixed ideological camp.