(Reuters) -Adidas's North America sales recorded the weakest growth among the German sportswear maker's regions in the third quarter, the company reported on Wednesday. Revenues for its Adidas brand in North America rose 8% on the year, excluding the impact of currency movements, lagging other markets, which grew between 10% and 21% in the quarter. Adidas's brand growth metric strips out sales of its discontinued Yeezy sneaker line, which was especially popular in the U.S. Its third-quarter North America ...