The collapse of one of the most formidable political alliances in modern Philippine history has brought new scrutiny to the country’s deeply entrenched dynasties. President Ferdinand Marcos Jr. and Vice President Sara Duterte – scions of two of the most powerful and controversial families in the Philippines – joined forces in 2022, clinching a landslide election victory and consolidating their influence across the archipelago. But the partnership began to fray amid growing policy disagreements and competing political ambitions ahead of the 2028 presidential race. Tensions culminated this month when Ms. Duterte – whose father, former President Rodrigo Duterte, is under investigation by the International Criminal Court for his deadly drug war – was impeached on charges of corruption and threatening the life of her former ally. Why We Wrote This The Philippines is one of the most dynastic countries in the world, with the majority of political power concentrated in the hands of a few elite families.…