that they talked to filner and told him, hey, got to take care of this. but beyond that, they really didn't feel like they could do anything. >> interesting point and reason as to why. kyung lah, thank you so much. kyung has been breaking so much on that story. and now our fourth story "outfront," the hyperloop. okay. bear with me, because this is the coolest story of the day, by exponential powers. it's our money and power segment tonight. elon musk is the man who co-founded paypal. he heads tesla motors, and he's unveiled a plan to get you from los angeles to san francisco in 30 minutes. it's a solar-powered elevated transit system that seat passengers inside a steel tube. i don't know what it is, because the speed is 700 miles an hour, which is faster than an airplane, but it's kind of a train. i don't know what it is. richard quest is host of "quest means business." this is the coolest story of the day. okay, what is this thing, how does it work? >> this is the document.