“Elon Musk is throwing grenades into Europe’s political mainstream over issues ranging from immigration to free speech, creating a dilemma for governments as they try to respond to the tech billionaire and key adviser to the incoming Trump administration,” the Wall Street Journal reports. “In recent days and weeks, Musk has weighed in with a series of incendiary social-media posts on European politics, including supporting a far-right party ahead of an election in Germany, accusing the British prime minister of being complicit in rape, denouncing judges in Italy and slamming the European Commission.” “The stream of posts from the world’s richest man has morphed into a diplomatic headache and caught several mainstream European political parties on the back foot.” CNN: Musk plays politics abroad as world leaders brace for Trump’s return.