FILE - Sen. Joseph Biden, D-Del., chairman of the Senate Judiciary Committee, right, questions Supreme Court nominee Stephen Breyer during Breyer's confirmation hearing on Capitol Hill in Washington, July 14, 1994. Committee members Sen. Edward Kennedy, D-Mass., left, and Sen. Howard Metzenbaum, D-Ohio, look on during the proceeding. Biden knows better than anyone the unexpected turns a Supreme Court nomination can take after it lands on Capitol Hill. (AP Photo/John Duricka, File)