Papal Infallibility: A Protestant Evaluation of an Ecumenical IssueFirst major book length study on this subject written by a Protestant in more than a century. The dogma of papal infallibility has become increasingly problematic for Roman Catholics, and it is a major point of division in Christian ecumenical dialogue arguably the key issue separating Catholics and other Christians today. Mark Powell here contends that papal infallibility has inevitable shortcomings as a way to secure religious certainty. After