Bill Gates, others 'audition' as Stephen Hawking's new voice

A YouTube video shows celebrities like billionaire Bill Gates and actors Liam Neeson and Anna Kendrick jokingly audition to become physicist Stephen Hawking's new voice. The video shows Gates saying, "I mean, who wouldn't want to sound like me?" to which Hawking responds, "Not a chance." It also shows Siri saying, "Why change? Your voice is super sexy and cool."