When a 35-year-old Bill Clinton, famously the nation’s youngest former governor, set out in 1982 to reclaim the job he had lost two years earlier, he began with a remarkable televised confessional. “My daddy never had to whip me twice for the same thing,” Mr. Clinton told Arkansans in a campaign commercial, acknowledging voters’ anger over his having raised a hated vehicle fee and vowing to listen better if they gave him another chance as governor.