Defending SpaceX CEO Elon Musk's interview last week, the company's President Gwynne Shotwell on Tuesday said, “He is as lucid and capable as he has ever been." "Elon is a brilliant man,” she added. Earlier, Twitter CEO Jack Dorsey also defended Musk's video podcast saying, "Stop at the headlines and memes and you'll miss all the thoughtfulness, clarity, and curiosity."