Judge David Souter, left, is congratulated by Chief Justice William Rehnquist after Souter took an oath pledging to uphold the Constitution during a ceremony at the White House, Oct. 9, 1990. Souter will take another oath required of federal judges on Tuesday morning and will become the 105th Supreme Court justice. Also taking part in the White House ceremony are Erin Rath, daughter of Souter's friend Tom Rath of N.H., and President George Bush. (AP Photo/Doug Mills)