In a move that's drawn international headlines, Portland will launch a first-of-its-kind tax on public companies that pay their chief executives vastly more than they pay an average worker. Portland City Council approved the controversial plan 3-1 Wednesday, making a statement about growing income disparity in the United States while giving Commissioner Steve Novick a legacy piece in his final weeks in City Hall. The tax targets publicly traded companies whose chief executives report salaries at least 100 times higher than the salary of a median worker. Officials expect to raise $2.5 million a year starting in January 2017, with...