I believe Pope Benedict XVI already began to put a great emphasis on cleaning up this serious problem, and many of the large number of Bishop replacements he made in the USA and around the world during his tenure reflected that.
It seems he put an exclamation point on those efforts by making Cardinal O'Brien step down right before the conclave.
(By the way, your tagline "Beware the man of a single book - St. Thomas Aquinas" is interesting, and was coined by someone who is certainly not a "Two-Book Tommy" either.) :-)
You will find it here.