and he said, what's one piece of advice? he said, we took care of our people, the emotional trauma that they felt. but you can always do more. it still wasn't enough. have you found that or are the doctors and nurses and others who work at the hospital still dealing with this and struggling with it? >> absolutely. i know that i certainly do. i have nightmares and whenever i hear sirens or the loud speaker or the ambulance going off, i think about monday and it is something i know i'll have to do better at. i need to take care of myself and our colleagues in order to -- for us to take care of our patients going forward. >> thank you for the work you do, dr. wen. i'm glad you're okay. keep up the great work. >> thank you. >> after september 11 the americans found themselves falling in love all over again with lee greenwood's "god bless the usa" but in the aftermath of the boston bombings it is a neil diamond classic gaining new found popularity as a symbol of bean town pride. ♪ sweet caroline good times