White House seating charts are written in an old language. Distance from the President is rank, and the seat at his right hand is the oldest honor in diplomacy, the one ambassadors used to fight duels over. Today, at a table holding something like $20 trillion in market value, that seat went to Jensen Huang. Elon got the other one. Now look where the model builders ended up. Dario Amodei sat six chairs up the table. OpenAI's seat went to Greg Brockman, not Sam Altman, diagonally across near…