According to a new report by the Sunlight Foundation, members of Congress on average speak at the level of high school sophomores.
This a decline of almost a full grade-level since 2005, according to SF. SF also found that members of Congress rarely use the 100 most common SAT words.
What I would really like to see is a comparison among congressmen as to which speak most consistently using terms consistent with thoughts about liberty, like say, lower taxes, reverse regulations, stop government intrusion.
A second comparison that would be interesting is to see is which congressmen speak in terms similar to those used by the creators of the Constitution.