http://www.youtube.com/watch?v=RNm7P2lY9DA&NR=1
In the beginning, Bono explains where the song actually came from.
And... I don't know about you, but the little story actually really touched me and made the song even more special to me than it already was...
What i also don't know (a lot actually but hey

Anyway, if you knew the story or not, i think it would be interesting to here your opinion.
And furthermore, if you'd like to share what you thought the song was about or reminds you of in your personal life (if you'd want to), as i personally always had a different idea of the song.