Elena Kagansworn in as the Supreme Court's newest member in Washington

Elena Kagan takes the oath of office as the Supreme Court's newest member, administered by Chief Justice John Roberts (not shown) sworn in as the Supreme Court's newest member at the Supreme Court Building in Washington on August 7, 2010. Kagan, 50, who replaces retired Justice John Paul Stevens, becomes the fourth woman to sit on the high court and is the first Supreme Court justice in nearly four decades with no previous experience as a judge. UPI/J. Scott Applewhite/Pool