Altria Group (MO -0.71%) makes and sells Marlboro cigarettes. Philip Morris International (PM 0.06%) makes and sells Marlboro cigarettes. How do they both do the same thing? They limit their sales to different markets. Philip Morris was spun off by Altria so the latter could focus entirely on the North American market. If you are looking at these two stocks with the idea of holding one for the long term, you'll probably want to think carefully about the mistakes that Altria has made. That list looks increas ...