In Brazil, the political landscape is witnessing significant actions as Congress intensifies its investigations into two major cases: Master and INSS. These inquiries have encountered challenges due to attempts at shielding certain aspects of the investigations, yet they are making headway, showcasing the resilience of legislative oversight. Despite various political maneuverings to hinder transparency, the investigations remain crucial for public accountability and trust in political institutions.

The term "difficult pizzas" used in the article likely refers to the complex, and perhaps contentious, nature of the ongoing investigations. The reference suggests that, similar to handling a difficult pizza, navigating legislative inquiries involves a considerable amount of complexity and negotiation among various stakeholders, including different political factions and public agencies. As the investigations unfold, the public is becoming increasingly aware of the implications these cases have on governance and public trust.

The successful advancement of these investigations could have long-term implications for Brazilian politics, potentially instigating reforms in how political accountability is pursued. This scenario reflects not only the significance of transparency in government actions but also highlights the ongoing struggle between political interests and the demand for accountability that citizens are increasingly advocating for.