... the next year, refuse to accept the resignation of the bishops (link to source). No wait - that wasn't last year that he apologized, it was less than six months ago (link to source).
"You have suffered grievously and I am truly sorry. I know that nothing can undo the wrong you have endured. Your trust has been betrayed and your dignity has been violated," he [Benedict XVI] told victims in his letter, released March 20 at the Vatican. (second source above)
Now, it appears that it is back to politics as usual. Not quite, though - "The Vatican grinds to a halt and virtually closes down for the entire month of August as the Pope departs the heat of Rome for his summer residence and his advisors enjoy the ferragosto holiday." (first source above)
And what exactly did he apologize for? He didn't admit that the Church did anything wrong, did he? It looked like he pretty much blamed the Irish, acting though it was their problem.
He did say one thing that may be coming back to him now:
"Only decisive action carried out with complete honesty and transparency will restore the respect and good will of the Irish people toward the church," he said. (second source above)