Why is Trump sparring with Elon Musk online?
Just days after Elon Musk's farewell send-off from the White House, a feud between U.S. President Donald Trump and his former adviser has erupted online. David Graham, staff writer at The Atlantic, breaks down the very public breakup. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For ...
