[JURIST] Chief Justice William Rehnquist, not seen at public events since mid-October, looked frail at Thursday's inaugural but administered the presidential oath in a strong voice without need of any assistance. Rehnquist, 80 and ailing after undergoing treatment for throat cancer this fall, arrived on the podium wearing a cap and using a cane, but did not need the help of an accompanying Marine or a staff aide, who followed behind. Wearing his distinctive chief's robe with its gold stripes, he set his cane aside before stepping up to the front of the podium to administer the oath bareheaded. The job done, he moved away from the podium without further ado as the newly-sworn President greeted family and well-wishers.