British American Tobacco is doing a good job shifting away from cigarettes, but there's another risk investors need to watch. British American Tobacco (BTI 2.27%) has a huge 9.7% dividend yield. Given the roughly 1.3% yield on offer from the broader market, the ultra-high yield is a clear sign of increased risk. That's not shocking, given that the company's main product is facing a secular decline. But there's more to worry about here than just cigarettes. British American Tobacco is doing reasonably well T ...