Since leaving office in 2007, the empire of Tony Blair has grown exponentially. As a businessman he has been unprecedentedly successful for a former public servant, with a large property portfolio and an estimated £80 million of earnings accrued in just a few short years. But how has he managed to achieve this? Being an ex-Prime Minister comes with certain advantages, and besides his excellent state pension and twenty-four-hour security team, Blair enjoys the best contacts that money can buy - as do those willing to pay him for access to those contacts. Consequently, Tony Blair Associates' clients can be found around the world, and include the controversial presidents of Kazakhstan and Burma. There is also Blair's role as special envoy in the Middle East. While his record as a peacemaker is in doubt, the position has brought him into contact with a variety of oil-rich potentates in the region who now number among his most profitable clients. Blair...