Despite opposition from conservative groups, Justice O'Connor was confirmed unanimously
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Felton became the first woman to serve in the Senate, for only 24 hours.
Explore current and historical political parties, map party control, and learn about polarization.
Sen. Rand Paul's motion to hold that the Senate cannot try an impeached official who is no longer in office was defeated 55-45. Most legal scholars agree such a trial is permissible.