Man vs. Machine: Will Human Workers Become Obsolete?

For more coverage, visit the PBS NewsHour website: http://to.pbs.org/KmnmYD Part of his series on Making Sen$e of financial news, Paul Solman has been showcasing the future of technology from a recent conference run by a California think tank -- things such as 3-D printing of prosthetic legs and iPhone heart tests. But the conference also resurfaced an age-old question about the future of human workers.