thank you for being with us tonight. see you tomorrow night right here at 7:00 p.m. eastern. go to my facebook page and like it. there is a lot going on on the pain page and of course go to gretawire. tonight on "red eye", china has its own obama impersonator. sign tieses directed a study to find the most feel good song of all time. the criteria? what songs made scientists feel good about their caw ruers? and don't touch that dial because he hillary moatly change it back. mike baker is on the show. our panel provides hope, but first a fuse break. but first, a news break. >> live from america's news headquarters, i'm will carr. another busy day is in store for pope francis on thursday. all e capitol hill as the pontif addresses congress. no one knows exactly what he