If social issues are not addressed, the nation dies anyway.
You think this stuff is unimportant because you have the small vantage point of your own life, but societies last for generations. You simply don't see the bigger picture. You need to broaden the scope of your mind beyond one lifetime to understand why social issues are important in the long term.
Here’s an even better place to start:
http://www.realclearpolitics.com/epolls/latest_polls/gop_pres_primary/
Would you like a tissue?