This paper focuses on corruption in public procurement. It describes the contemporary face of corruption by investigating the role of public accountability in the fight against corruption. The paper describes a specific episode of corruption relative to the awarding of government contracts for big events, such as the celebration of the 150th anniversary of Italian unification. Relying on the philosophical insights of Rousseau, Popper, Kant and others, the study suggests the need for enabling a democratic control and constructing a public ethics for the common good.