The Capitol's iconic dome was added in the 1850s. It stands nearly 300 feet tall, and weighs nearly 9 million pounds.Read current and historical biographies of every U.S. congressional member. Find? Learn about the minorities and women who are currently serving positions in the 111th Congress. The House of Representatives and Senate feature a diverse group of elected officials. The following? Learn what the national and state governments are not allowed to do in the United States. Source: The U.S. Government Printing OfficeNational Government State Governments* May not violate? Here is a breakdown of national and state government powers. Source: The U.S. Government Printing OfficeNational GovernmentState Government* Print money * Regulate interstate (between? Composition of the 107th Congress 107th Congress Rep. Dem. Ind. Male Female? Source: U.S. Census Bureau Apportionment is the process of dividing the 435 seats in the House of Representatives among the 50 states. The number of seats, or representatives, each state is entitled? See a complete list below of Democratic National Committee Chairs since 1944. Chairman and (state)-Democratic Term? DemocraticGilbert M. Hitchcock, Neb. (Min. 1919?20)Oscar W. Underwood, Ala. (Min. 1920?23)Joseph T. Robinson, Ark. (Min. 1923?33, Maj. 1933?37)Alben W. Barkley, Ky. (Maj. 1937?46, Min. 1947?? (per year unless noted) From a stipend of six dollars a day in 1789 to a much more robust salary of $174,000 in 2009, this chart shows how compensation for U.S. senators has evolved over time.?