Perhaps if Israel had co-operated...

instead of adopting an arrogant stance on Goldstone, the whole sorry episode could have been avoided. “If I had known then what I know now, the Goldstone Report would have been a different document,” he said, because Israel refused to co-operate.
http://www.jpost.com/DiplomacyAndPolitics/Article.aspx?id=214864
Maybe next time, eh...