Julian Zelizer is a professor in political history at Princeton university, frequent political commentator, and author of over 900 op-eds and books covering American political history. After obtaining his PhD from Johns Hopkins University, Zelizer went on to write for The Atlantic and work as a weekly columnist at CNN. He has twice won the D.B Hardeman Prize. Among the 19 books he has authored and edited is Fault Lines: A History of the United States Since 1974 – a book which received widespread praise from critics. His most recent book, published in July 2020, is entitled Newt Gingrich, The Fall of a Speaker, and the Rise of the New Republican Party.