Musk says US tariffs make solar power a challenge canberratimes.com.auElon Musk predicts robot-majority future in first Davos appearance Euronews.comElon Musk warns the U.S. could soon be producing more chips than we can turn on. And China doesn’t have the same issue FortuneTesla to Sell Optimus Robots to Public Next Year, Musk Says bloomberg.com