By Marco Cacciati Venezuela stands on the brink of losing one of its most prized assets, Citgo Petroleum Corporation, following a protracted legal battle in the United States grounded in the country’s tumultuous economic and political history. Citgo, the US’ seventh largest refiner and a cornerstone of Venezuela’s oil industry acquired by the state in 1990, has become a focal point in a complex web of litigation and geopolitical manoeuvring. Valued at $13bn, the company’s fate now hangs in the balance as US courts move forward with auctioning its shares to satisfy creditors’ claims totalling $…