the pope, archbishop desmond tutu, former president jimmy carter and more than 50 members ever congressded their voices to calls for mercy, because of questions about the evidence in the case. now, if clemency is denied, troy davis is set to be executed by lethal injection on wednesday. our david mattingly is outside the parole board meeting in atlanta. david, first of all, there's a lot of attention that's being paid to this particular case. we know that time is running out here. seven of nine witnesses have recanted their testimony against davis, but he's never won any appeals. do you think that clemency is even likely? >> reporter: well, this is an extraordinary case, and what his supporter, looking at is the fact that even though he was denied clemency back in 2008 by this very same board, there are now three new board members sitting there hearing this case for the first time. so they're hoping that the presentation of their arguments regarding what they say is a lack of evidence and the people who recanted their testimony, they're hoping that fresh ears and fresh eyes looking at t