Here is more from Huffington Post:
Workers at the influential liberal think tank unionized with the International Federation of Professional and Technical Engineers, the union told The Huffington Post. Leadership at CAP voluntarily recognized the staffers' request, enabling them to avoid a secret-ballot election. Management will now bargain with the union.
"It reflects our progressive values," Alyssa Peterson, a CAP staffer who works on poverty issues, said of the decision to unionize. "We saw it as a natural extension of our institutional support for collective bargaining."
The move comes just four months after the staff of ThinkProgress, CAP's popular, left-leaning news site, announced that they were unionizing. That campaign was part of a wave of six successful union drives at digital media outlets over the past year, including The Huffington Post.
CAP staffers had talked for years about organizing into a union, though discussions began in earnest in May, according to Peterson.
Neera Tanden, CAP's current president, reportedly said that the think tank's management remained neutral about the decision, and Huffington Post notes it would have been scandalous if pro-union CAP had not.
IFPTE already represents other think tanks such as the union-backed Economic Policy Institute (EPI) and the liberal Center for Economic and Policy Research (CEPR).