This is accessible to English audiences, past the brief intro in Italian. From 10.35mins it gets to the crux of matters. About Benedict XVI's anti-usurpation plan which had been ready since 1983. Benedict XVI used for the declaratio and in his later years the moral theological concept of the so-called broad mental restriction (a way of telling the truth in a sort of veiled way, but using absolutely logical language). You have to find a way not to lie, being a good Christian, but not tell it openly so you fly above the head of your enemies. The Ratzinger code series, moreover, attempts to decode the hints Benedict left to people to figure out regarding his impeded See, (for those who had the ears to hear and the eyes to see.. )