Obama is offering soaring sermons and generational opportunity. In 1960, the articulate Adlai Stevenson compared his own oratory unfavorably with John F. Kennedy's. "Do you remember," Stevenson said, "that in classical times when Cicero had finished speaking, the people said, 'How well he spoke,' but when Demosthenes had finished speaking, the people said, 'Let us march.' " At this hour, Obama is the Democrats' Demosthenes.