"Colberg masterfully deconstructs the widely held assumption that the Second Vatican Council turned its back on the First Vatican Council. By asking `what,' `how,' and `why' they taught about issues of authority, infallibility, and collegiality, Colberg reveals the common concerns and shared commitments of these two very different ecclesial events. The result is a compelling chapter in the story of a living tradition-a century-long struggle to discover what it means to be church in the modern world. This is an invaluable contribution to the ongoing reception of both Vatican councils."Edward P. Hahnenberg, PhD, Author of A Concise Guide to the Documents of Vatican II