The document discusses mega projects and cost overruns. It notes that surveys find most mega projects experience significant delays and cost overruns, with 50% going over budget and two-thirds delayed. It then outlines a typical project "trajectory" from an initial euphoria phase to later problems and panic as promises are forgotten. Risks are either not understood or disregarded on many mega projects. The document promotes a training program to help project managers avoid cost overruns through improved planning and risk management.