Are we on the brink of a jobless future?

MILES O'BRIEN: We're going to get a better picture tomorrow of how strong job creation is when the monthly employment report comes out. But whatever that snapshot looks like, there are concerns about the rise of robotics and automation, and what that means for the future of the work force. Our economics correspondent, Paul Solman, has been exploring that subject. PAUL SOLMAN: In Silicon Valley, author Vivek Wadhwa says he already lives in the future. OK, so, your car can open the garage door and greet you in the driveway?