'Free-speech absolutist' Elon Musk buys Twitter

Twitter has entered a deal to be bought by Elon Musk, who has pledged to be more lenient when it comes to policing users' speech.

Musk will purchase the social media platform at $54.20 per share in a cash transaction valued at about $44 billion, Twitter said in a news release. The buyout will make Twitter a privately-owned company.