Eike Batista who once told Mexico's Carlo Slim to watch out because he said he was poised to surpass him as the worlds wealthiest person. Slim had since faded to 9th on the list. Now, he's staging a comeback. He also got lots of ideas for a man on the hot seat right now that he sees as something of a kindred spirit, Tesla CEO Elon Musk. Batista's big concern for the company is the quality of the interior of Tesla cars.