Musk may have overpaid for Twitter, but now he is rich in priceless — and dangerous — influence 

When Elon Musk closed on what looked like a massive overpay for Twitter, I scoffed along with everyone else. What we all failed to see was the savviness of Musk’s purchase and, more importantly, his true endgame (as much as Musk could be said to have one).   In terms of bluntly inserting himself into…