Tesla CEO Elon Musk appeared to smoke marijuana during a lengthy interview with comedian Joe Rogan that covered topics ranging from the dangers of artificial intelligence to the CEO's use of Twitter.

Elon Musk drew an analogy ... like you can't reason with people." The full interview is scheduled to air later tonight, offering further insights into Musk's perspective on his evolving public ...

Elon Musk appeared in a new episode of "The Joe Rogan Experience" on Friday. In the three-hour interview ... program would only be able to pay out full benefits for around the next 11 years.