Robot Makers Try to Reassure Public They're Legit After Elon Musk Fudged Demo

Elon Musk became the butt of more than a few jokes after internet users pointed out Tesla's robot demo wasn't all it appeared to be. As it turns out, a video the billionaire posted of Optimus, the company's much-hyped humanoid robot, was actually being controlled by a human slightly off-screen. And it's interesting to...