Elon Musk already broke his agreement with Twitter

When Twitter agreed to sell itself to Elon Musk for $44 billion on April 25, the two parties agreed to specific terms of the merger, signed a document, and filed it to the US Securities and Exchange Commission (SEC).

Musk doesn’t yet own Twitter, and he won’t for many more months, but he is now locked into a contract with the social network’s current management, and there’s a $1 billion penalty at stake if he pulls out. The two sides also agreed to certain rules of behavior for the period before the deal closes. And...