Elon Musk says his baby with partner Grimes is due Monday in his first tweet confirming the pregnancy

· Elon Musk is known for his wild antics on Twitter, but his tweets Friday were especially erratic, with thoughts about Tesla's share price, plans to sell all his belongings, and more criticisms of coronavirus-related lockdown orders.
· Included in the Twitter tirade was Musk's first acknowledgement of his expected child with...