Tammy Baldwin (D-WI) became the first openly LGBT senator in 2012.
Explore current and historical political parties, map party control, and learn about polarization.
Use the 'tabular view' to quickly check NOMINATE scores
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
After emotional and excoriating testimony from comedian Jon Stewart, congress re-authorizes the September 11th Victim Compensation Fund. Reps. Paul Gosar, Jody Hice, and Thomas Massie are among 12 who vote against the bill.