"60 MINUTES" LISTINGS FOR SUNDAY APRIL 13, 2008

STATE OF CORRUPTION -- Corruption in Iraq is so entrenched that militia groups known to target U.S. troops control some of Iraq's ministries and have used those government funds and resources to kill Americans. Steve Kroft reports. Andy Court and Keith Sharman are the producers.

THE KANZIUS MACHINE - Leukemia patient John Kanzius wants to see the promising machine he invented that kills cancer cells go into clinical trials and maybe help other people beat a disease he probably won't. Lesley Stahl reports. Tanya Simon is the producer.

EL SISTEMA - Through a system of early training and local orchestras, Venezuela has not only provided an uplifting musical experience for its at-risk youth, but also developed an orchestra that is world famous. Bob Simon reports. Harry Radliffe is the producer.