from the u.s. secret service and what it says about how to prevent school shootings, but first, meet one of this year's top ten cnn heros who is giving donkeys a second chance at life. donkeys speak to my soul. >> that lip will come loose, won't it? >> donkeys are like dogs. they're amazing animals that nobody gets. i understand what they're thinking and there are so many donkeys in so many places that need so much help. there's nothing cuter than a baby donkey. we're saving them, improving their lives. i want to see every donkey find its happiness, its happy place, its peaceful place. >> for your favorite top ten hero, go to cnn heros.com.