didn't recant his testimony and maintained it was davis. it's a messy case. what's made it messy is recan tagss came out ten years after the fact. >> why do you think this case -- i was sort of struck by, first of all, how powerful the movement to sort of save troy davis was but also how galvanizing it was. why do you think this case captured people's imagination or attention? >> clearly, the possibility of his innocence. i think that was very compelling to people, especially after we've seen 138 death row exonerations in this country, you know, since 1976. that's a huge number. we have this resistance, people really resist being told there are innocent people on death row, troy davis is innocent although we exonerated all of these people. that's a big part of it. full disclosure, i've been an activist against the death penalty. something i've worked on as an activist for years. troy davis's case encapsulated