Andy Stern spent his career organizing service workers, fighting for higher wages and improving working conditions as head of the Service Employees International Union. He left at the height of his career as one of the country’s most successful labor leaders to tackle a problem he couldn’t find any clear answers to. “A tsunami of labor-market disruption is coming and nobody wants to talk about it,” Stern told a crowd gathered for the Colorado Center on Law and Policy’s Pathways from Poverty Awards Breakfast on Thursday morning in Denver. Stern is now a leading advocate for universal basic income (UBI), a policy that President Richard Nixon promoted, but which is seeing a revival of interest from the political left and right and is making its way into social policy discussions. Technological innovations are about to disrupt labor markets in a massive way that people don’t understand or appreciate, slicing into occupations once considered untouchable, from truck drivers to highly-paid surgeons, he warned. An Oxford University study estimates nearly half of U.S.