Davis : the Georgia Board of Pardons denial of clemency to Bob Barr was wrong ruling . Troy Davis : Davis set to be executed despite significant doubt about his guilt . Troy Davis , rather than innocent till proven guilty , had to prove innocence , Barr says . Barr says he supports death penalty but not when it 's on skimpy , unreliable evidence .
Bob Barr : Georgia parole board 's denial of clemency to Troy Davis was wrong ruling . Barr : Davis set to be executed despite significant doubt about his guilt . Davis , rather than innocent till proven guilty , had to prove innocence , Barr says . Barr says he supports death penalty but not when it 's on skimpy , unreliable evidence .