Nike has the brand power to help it transition through this current period.Few three-word slogans have taken the world by storm quite like "Just Do It." In fact, I probably don't even have to mention whose slogan it is because that's how iconic it has become. But, just in case, I'll give Nike (NKE -1.89%) its due credit for the simplistic brilliance.Nike is a case study-worthy example of how branding should be done and the benefits that come along with a great brand. It has transcended just sports and turne ...