Dr. Peter Lillback is the president of Westminster Theological Seminary. He also serves as the president emeritus and founder of The Providence Forum and senior editor of Unio cum Christo: An International Journal of Reformed Theology and Life. On this episode of The City of God Podcast, we discuss the 100 year anniversary of the landmark book “Christianity and Liberalism” by J. Gresham Machen, and how it relates to what we are seeing unfold in the evangelical Church today.