Are you ready for the driverless car?

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Google driverless car operating on a testing path.

Gov. Jerry Brown signed legislation yesterday that will allow driverless cars onto California roads for testing.  The technology behind driverless cars is pretty much here, so why is it taking so long for the drivers to accept the idea? Will we have to give up autonomy and our love affair with the car?  Warren talked to the Wall Street Journal’s  Dan Neil about when we’ll actually start seeing driverless cars on the road and why they’ll make us all safer.