The first time we saw U2 it was 1984 at the Spectrum in Philadelphia. Obviously, that was a long time ago: pre-Apple commercials, pre-hanging out with politicians, pre-heavy-handed attempts at irony, pre-blues co-opting, pre-rock n’ roll Messiah complex. Hell, it was even before Bono leapt into the crowd at Wembley at Live Aid. It was and still is the best show we’ve ever seen. We loved U2. We bought everything they sold, put posters up......