"It's a song about uncertainty. We talked a lot about uncertainty when we were making the record. Musically, uncertainty is the antidote to complacency. As far as the song was concerned, all the ad slogans were the real breakthrough for me. My favorite line is 'We're mild and green."
-The Edge on Zooropa
did you know
The song Heartland is about a trip Bono and Adam made after the Joshua Tree tour through America by car, they passed many placed and states and Heartland contains phrases of Bono's journey of that trip.