Detailed text transcripts for TV channel - MSNBC - 20130415:22:19:00
Everybody's cheering for you and you have this moment and suddenly in a flash everything, everything changed. >> it's indescribable. as the president gave credit, first responders immediately on the scene running in the face of danger because no one know what is is going on, whether it's one, two, or more bombs coming. they are immediately trying to get them to some kind of medical attention. >> it was a pretty amazing thing to watch. marathon volunteers, all kinds of folks, runners sudden lie pulling the grating down that was a barrier separating the