The remarks that I have made just after the translation referred to the translation process (based on the updated version). Now I address the petition's substance:
Remember that Blair prevented from the start a joint european standing on the eve of the Iraq's war. Therefore consider adding something like.

"As chief of government, Tony Blair acted preemptively
to make a common european standing on a major crisis, in Iraq, both unreachable and irrelevant. Can there be a worst credential for a candidate to represent our common security and foreign policy?