By Ben BradyYes, they played 'Iris' and everyone in the crowd sang along. There's a chance you stopped reading there and from the reaction of friends you'd be forgiven for thinking The Goo Goo Dolls had only ever released one track, but it's often seen as one of the best songs ever, even reaching the heady heights of being (abysmally) covered by Ronan Keating. Luckily tonight's audience are well aware of the bands twenty year history and some of the excellently varied tunes that we're about to hear.In what felt like the most crammed I've ever seen the Leeds O2, Scottish ballad rockers Unkle Bo