Anyone come up with good charts on this? Not that this is a perfect comparison, but here is "self interest" vs. "civic duty": http://ngrams.googlelabs.com/gra

Anyone come up with good charts on this? Not that this is a perfect comparison, but here is "self interest" vs. "civic duty": http://ngrams.googlelabs.com/graph?content=self+interest,civic+duty&year_start=1920&year_end=2000&corpus=0&smoothing=3 http://ngrams.googlelabs.com/graph?content=self+interest,civ...