Darin's Day: Seen at the podium is Nina Cassotto, mother of Bobby Darin, recalling the late singer's career, during a recent ceremony posthumously held conferring a star on Hollywood's Walk of Fame. Ceremonies were held in front of the old Hollywood Palace, where Darin often performed, and near Capitol Records where he maintained offices. Surrounding her are from left: David Gershenson, Darin's publicist; Dodd Darin, the late vocalist's son; Bill Hertz, Walk of Fame chairman; Bill Welsh, President of the Hollywood Chamber of Commerce and Dick Clark, a long time friend.