If you've seen the 2016 Republican Power Rankings list, you may wonder why Marco Rubio has been at the top of the list for over 2 months now. The answer is a simple one: Fundamentals. When you analyze what creates winners in the long run, Rubio has the best arguments for each time and again. Of course anything can happen. Campaigns can collapse with one wrongly-phrased sentence. But right now, Rubio is the least likely to fall in that kind of trap. Here are the 10 major reasons Rubio has the best shot, right now, at winning the GOP nomination.