tributes across the country tonight for former senator and presidential candidate bob dole. flags at the white house and the capitol to be flown at half-staff in his honor. the 98-year-old world war ii hero died in his sleep today. abc's chief washington correspondent jonathan karl has a look back at dole's life and legacy. >> reporter: a war hero and one of the most prominent republican leaders of his time, bob dole's jourey began in the small farm town of russell, kansas. he was a poor kid who came of age during the great depression. >> it's good to remember where you came from and i've never forgotten that. >> reporter: a year after the japanese bombed pearl harbor, a 19-year-old bob dole left kansas to enlist in the army reserves. in april 1945, he was leading an assault on nazi holdouts in italy when an exploding shell shattered his right shoulder, fracturing his neck and filling his body with shrapnel. he was left for dead on the battlefield, but survived. he spent nearly a year in a body cast unable to feed