Flavio Valentini

The provided news articles focus on Venezuelan opposition leader Maria Corina Machado and her supporters' rallies demanding her safe return and presidential elections. These articles detail protests in Caracas where activists, wearing sky blue shirts, are calling for a democratic transition in Venezuela. The context includes accusations against the government of election theft, jailing dissidents, and suppressing freedom of speech. Flavio Valentini is not mentioned in any of the provided snippets, and therefore, no information can be extracted about him from these sources.