There was a mixed crowd at Northwest this weekend as over 2,500 people packed into Bearcat arena to see the Goo Goo Dolls. The audience roared as the band easily united the obvious generation gap with their popular singles and upbeat hits.Students were joined Friday night by devout fans traveling from as far as North Dakota to see the band's performance. Dawn Kleinschmit and her husband Kurt traveled all the way from Nebraska to see the band that they have been devoted to for years."We have been Goo Goo Dolls fans for almost 15 years now. We saw them on TV when they did an opening for a