Congress, shown gathered for President Obama's State of the Union in January, is speaking at about a grade level lower now than in 2005, according to the Sunlight Foundation.
Mandel Ngan/AFP/Getty Images
Sen. Dick Lugar, R-Ind., crosses the finish line of the 3-mile Capital Challenge charity race with Olympic marathoner Meb Keflezighi. It was Lugar's 31st race, and his last as a senator after he lost a primary challenge this month.
Sen. Richard Lugar, R-Ind., speaks to reporters Monday in South Bend, Ind. Lugar, a 36-year veteran of the Senate, is engulfed in a primary battle with Indiana State Treasurer Richard Mourdock, a Tea Party favorite.