Fresh off a controversy over a gesture many saw as a Nazi salute, tech billionaire Elon Musk appeared virtually at a campaign event for a far-right German political party on Saturday, where he urged listeners not to be ashamed of their country's history. Musk — the head of President Trump's Department of Government Efficiency — was met with roars of applause from the more than 4,000 attendees gathered in the German city of Halle as he appeared on screen at a rally for the Alternative für Deutschland (AfD) party. "I think you really are the best hope for Germany," Musk...