>> donkeys speak to my soul. donkeys are like dogs. they're amazing animals that nobody gets. i understand what they're thinking. and there's so many donkeys in so many places that need so much help. there's nothing cuter than a baby donkey. we're saving them. we're improving their lives. i want to see every donkey find its happiness, its happy place, its peaceful place. >> mark has saved more than 13,000 donkeys. to vote for him for cnn hero of the year or any of your favorite top ten cnn heroes, go to cnnheroes.com. finally, a big witness in the impeachment inquiry seems to have discovered a cure for memory loss. here's jeannie moos. >> reporter: if only we can all have what he's having, the gordon sondland memory cure.