The arrest and charging of Telegram’s CEO Pavel Durov after he stepped off his private jet in France last week, followed days later by Elon Musk’s social media platform X being blocked in Brazil marks a geopolitical first as regulators toughen up on social media and place blame on its bosses. Both incidents could mark a new chapter for social media and its tech titans, especially in Europe. Durov’s charges in France include 12 offences including “complicity in the organised gang distribution of images of minors of a child pornographic nature, drug trafficking, organised gang fraud” and refusal…