As it enters its final weeks, the 2012 election campaign is seeing the argument move from rhetoric to something crunchier: a debate about how to balance freedom, fairness, the rights of the individual and the responsibilities of the state.
What does "crunchier" mean in the above paragraph? I have checked the dictionaries but still not sure about its meaning
That's an interesting usage of "crunchy", I'm not familiar with it. I think that they're trying to say that the argument is moving from rhetoric (arguments that lack sincerity and meanigful content) to something crunchier (more focus on the meaningful content and sincerity).
I have also found in the COED that "crunchy" is used chiefly in North American informal meaning "politically liberal and environmentally aware."