every day. we sat down with chris and his father, who has been by his side every step of the way. >> when chris was born, everyone told us all the things he couldn't do. and part of the reason why we go all over the world and we do so many events, it's an opportunity to show other parents like me and my wife that there is hope and their kids can do amazing things and live an amazing life. >> chris nikic is amazing, and he is tonight's "heart of america." just a reminder, we'll have our rare and wide ranging interview with pope francis on this sunday's "60 minutes" followed by a prime time special on monday, may 20th right here on cbs. >>> that's the "overnight news" for this thursday. for some of you, the news continues. for others, check back for "cbs mornings." and remember, you can follow us online any time, cbsnews.com. oreporting from here in the nation's capital, i'm norah o'donnell.