Complex sentence: Goldsmith says he made the decision to revoke what the CIA had been calling its "golden shield" against prosecution six months before the abuses at Abu Ghraib were revealed, and was at work on the problem when the scandal precipitated the final decision.
Split into simpler sentences: Goldsmith says he made the decision to revoke what the CIA had been calling its "golden shield" against prosecution six months before the abuses at Abu Ghraib were revealed. He was at work on the problem when the scandal precipitated the final decision.