He did not, however, advocate a military strike to achieve that. Blair, now the Middle East peace envoy trying to work out a Palestine-Israel agreement, blamed Iran for much of the trouble in the Middle East today. “Regime change in Tehran would immediately make me significantly more optimistic about the whole of the region. If Iran were to acquire nuclear weapons capability, it would destabilize the region very, very badly,” Blair said. “They continue to support groups that are engaged with terrorism and the forces of reaction. In Iraq, one of the main problems has been the continued intervention of Iran-and likewise in Afghanistan.”