A hard-fought primary is a preview of coming attractions

One of the things about a hard-fought primary is that it can be seen as a preview of coming attractions.  You can really get the measure of a person when you watch that person vying for the nomination, and you can start thinking about what kind of candidate that person will be in the general election — and what kind of president that person will be too.  I know which candidate I prefer:

Ted Cruz -- a winner and a leader