Controversial billionaire Elon Musk has been condemned after tweeting a meme using Adolf Hitler to criticise Canada's Prime Minister Justin Trudeau. The Tesla CEO was replying to a tweet reporting on Canadian authorities ordering financial institutions in the country to avoid interacting with cryptocurrency addressed tied to the ongoing trucker protests. Over a picture of the Nazi leader the words "Stop comparing me to Justin Trudeau. I had a budget." were printed and shared with his 74 million followers. Amid swift backlash, including a tweet from the Auschwitz Memorial, Musk deleted the post. "Using the image of Adolf Hitler and...