Putting John Calvin to Use

Over at Called to Communion, David Anders writes about
How John Calvin Made me a Catholic:

…
Calvin shocked me by rejecting key elements of my Evangelical tradition. Born-again spirituality, private interpretation of Scripture, a broad-minded approach to denominations – Calvin opposed them all. I discovered that his concerns were vastly different, more institutional, even more Catholic. Although he rejected the authority of Rome, there were things about the Catholic faith he never thought about leaving. He took for granted that the Church should have an interpretive authority, a sacramental liturgy and a single, unified faith.

These discoveries faced me with important questions. Why should Calvin treat these “Catholic things” with such seriousness? Was he right in thinking them so important? And if so, was he justified in leaving the Catholic Church? What did these discoveries teach me about Protestantism? How could my Church claim Calvin as a founder, and yet stray so far from his views? Was the whole Protestant way of doing theology doomed to confusion and inconsistency? …