In the wake of the 2016 election, there has been a surge of activity among the white supremacist alt-right—and one of the primary places they are pushing their hateful and dangerous ideology is on YouTube. In the March 16 episode of “The Progressive Happy Hour,” co-hosts Christin “Cici” Battle and Drew Courtney sat down with Jared Holt, research associate at PFAW’s Right Wing Watch, to talk about these extremists and the technology that enables them.