(amnon shashua, mobileye co- founder) "i would compare this to sending a man to the moon. it's big." (oren liebermann) "that's been done though." (amnon shashua, mobileye co- founder) "that has been done but driverless cars have not been done." the technology for self-driving cars is available he says but it's still years away from being ready for the road. (amnon shashua, mobileye co- simplistic - the moment something complicated happens, the human driver needs to take control, so they aren't there yet in terms of the kinds of negotiations, the kinds of strategy forming that needs to happen in order to have a driverless car." self-driving cars remain a work in progress. but perhaps the biggest challenge is acceptance. would you fly in a plane without a pilot? probably not. so why would you ride in a car without a driver? mobileye says. for that to happen sf- be exponentially safer than you behind the wheel. oren liebermann cnn jerusalem. next - christmas trees around the world are going up -- we'll give you a look at two of the most famous locations. plus - what happens a