Why should that matter? Did he change his mind about what he wrote or rescind any of it? I never heard he had. His move to the Orthodox didn't change that what he said was true.
How are you coming on that research into finding dogmatic Roman Catholic statements on justification by faith and works prior to Trent? Your diversionary tricks won't work, you know.
Your key witness converted from Lutheranism to Orthodoxy in 1998 after meeting with blessed John Paul II and you still want to use a book he wrote in 1959 against Orthodoxy. This supplements my opinion that this is primarily an antiCatholic, or antiOrthodox itch that does not go away no matter how often one scratches. In fact, the more one scratches, the more it itches.
If you choose to honestly look at your expert witness, who converted to Orthodox Christianity, with respect to the point you were trying before this court, I place into evidence: