By Luc Olinga The billionaire wants to show off Tesla’s progress on artificial intelligence (AI). Billionaire Elon Musk is giving himself a second chance. The richest man in the world has been trying for several months now to draw attention to a product he considers revolutionary. So far, he has failed to do so despite having millions of fans and investors more often than not ready to buy his promises. Yet the serial entrepreneur spared no effort to sell Optimus, the humanoid robot that Tesla (TSLA) – Get Tesla Inc Report is developing, to the world, to convince them that it will completely ch…