奥巴马总统每周电台演讲(2016年9月3日)
Hi, everybody. Before you fire up the barbecue for the long weekend, I want to talk a little bit about the reason we get to celebrate Labor Day – and that's the Labor Movement that helped build this country and our middle class. For generations, every time the economy's changed, hardworking Americans marched and organized and joined unions to demand not simply a bigg...