sentences:  Both Scott and Booker face reelection in 2014 and, should they run and win, would become the first elected African-American U.S. senators to serve in the chamber concurrently.Representation of Hispanics is somewhat complex, particularly because of the different ways to define membership in this group.Hispanics represent over 14% of the U.S. population, while the Senate was 3% Hispanic and the House was approximately 5% (25 members) Hispanic.