Look beyond headlines on unemployment and job creation and you'll see a bigger transformation. The global market for labor was boosted for three decades by a handful of historical flukes now going into reverse. Robots everywhere, including China, will be at the forefront of this change, says Andrew Schwedel, a partner at Bain & Co. He tells Bloomberg Opinion's Daniel Moss and Scott Lanman of Bloomberg News why the era of plentiful labor is ending.