A mock political party erupted across Indian social media this week, becoming a symbol of Gen Z disillusionment with the country’s political establishment and anger over a worsening jobs crisis in the world’s most populous nation.The Cockroach Janta Party, as the satirical movement is known, has already overtaken the ruling Bharatiya Janata Party on Instagram, racking up nearly 20 million followers and attracting attention from rivals of Prime Minister Narendra Modi.“Cockroach Janta Party...