Elon Musk’s Next Big Thing? Tunnels. Yes, Tunnels.

The Christian Science Monitor reports, “After being stuck in traffic, consummate entrepreneur/tech visionary Elon Musk tweeted out his latest inspiration: tunnels to help clear up roadway congestion. Mr. Musk is no stranger to massive, transportation-related developments,” including electric vehicles and a proposed high-speed rail system. “But this one — if he, in fact, decides to make good on his tweeted proclamations — would be decidedly more down-to-Earth.”