In this special election episode of Live Wire, Radiolab hosts Jad Abumrad and Robert Krulwich provide a cautionary tale of civic strife, comedian Baratunde Thurston speculates how the election has come to this divisive point, coder and artist Roopa Vasudevan explains what social media can show us that the polls can't, and subway performer Mike Yung demonstrates why his powerful voice went viral and reassures us that “A Change is Gonna Come.”