MIAMI GARDENS, Fla. — Formula 1 knows it has a dilemma when Max Verstappen, widely seen as the most talented driver of his generation, is threatening to quit the sport over the new 2026 regulations that have revolutionized the cars and racing. As the sport returns to the United States this week, it is making some “refinements” to the rules to try to placate the biggest criticisms, while balancing it with strengths like more overtakes and wheel-to-wheel racing that appeals to some fans. The