At a certain point, all decisions and election chances in politics come down to basic math. No matter how some consultants, pollsters or campaign managers may attempt to complicate the process to justify their fees or salaries paid by a candidate or company, it still comes down to this: Does the math finish on the “plus side” for him or her to run, and does it finish on the plus side for the candidate to win? My mother used to say, “If you can read, you can cook.” In the arena of political elections, if you can do basic addition...