. >> dennis liptonelped get the train project funded. >> lots of people live in california.ddle of state. >> we envision connecting los angeles, san francisco, san diego. >> john: that will cost $100 billion. >> you are expecting private investors. have any come forward? >> not at this time but there is every reason to believe they will. >> the private money was a joke because private money will invest in something they can make a profit. >> john: so why does it happen. >> because it's visionary. it's very visionary. >> trains will revolutionize our infrastructure. >> john: trains are romantic. he likes amtrak train. >> amtrak trains are packed. >> john: actually here is what it looked like when we taped. on average, the amtrak trains fill just a third of their seats, but if we don't invest in trains what is the mass transit alternative? new buses. this is now the fastest growing mass transit in america. why? >> because it's cheaper. >> john: buses don't get the big subsidies but they are much cheaper than trains. >> i'll take that. >> amtrak is too expensive. i don't have $