Everything that has already happened is completely irrelevant. The past is not a basis for any sort of discussion or negotiation, only the future. Until all parties draw a line, stop finger pointing and shouting "Yah-Boo" at one another, accept that what's happened can't be un-happened, and start to work out together how to prevent it happening again in the future, there is no future there.

Jaw-Jaw's what's needed, not War-War.

But don't hold your breath.