[ The politeness puts a different kind of distance between them but the shift to him is obvious; Itachi realizes now that keeping up the other facade is pointless. Good. They've spent enough time lying to each other. ]

... I lost my way, after your death. I blamed Konoha for how you'd suffered, and for the fate of our family... and in some respects I still believe that that blame's deserved. But after Danzou was named hokage, I hunted him down with a little bit of help. [ From "Madara", of course. ]

My killing him succeeded the war's official beginning.