Elon Musk posts image that may or may not be secret tunnel project

Elon Musk likes to show off his toys, and the latest may (or may not) be a component of his new tunnel boring efforts designed to defeat the scourge of Los Angeles traffic. On Friday, amid widespread criticism related to his advisory connections to the Trump administration, Musk showed that he was nevertheless undeterred in his subterranean geekery when he posted an image of what appears to be a component of a tunnel boring machine (TBM).  SEE ALSO: Elon Musk's private escape tunnel is a st