Even though Goo Goo Dolls frontman John Rzeznik sat on a stool because of a sore appendage throughout Monday night’s Enmax Centre performance in Lethbridge — the Buffalo band was in top form, as they belted out a set of back-to-back hits for a welcoming southern Alberta crowd. From “Naked,” “Slide” and “Better Days” to “Iris,” “Name” and “Broadway” — the radio-friendly hits kept coming between songs from the band’s latest CD “Magnetic,” which has an impressive selection of tracks.Goo Goo Dolls is indeed a great rock and roll band, which is often forgotten because of the many ballads the band i