Here Mickey L. Mattox and A. G. Roeber address the most difficult questions Protestants face when considering such a conversion, including views on justification, grace, divinization, the church and its authority, women and ministry, papal infallibility, the role of Mary, and homosexuality. They also discuss the long-standing ecumenical division between Rome and the Orthodox patriarchates, acknowledging the difficult issues that still confront those traditions from within and divide them from one another.