In the wake of chiming, charming, chart-topping late-'90s power ballads like "Iris," "Name" and "Slide," it's easy to forget that the Goo Goo Dolls were once a high-decibel hard-rock band signed to Metal Blade Records. But unlike a lot of their peers, the Buffalo, New York, alt-rock trio has always been open to learning new lessons.One early wake-up call, according to co-founder Robby Takac, was hearing The Replacements. "That was the turning point for us, for sure," he says. "We were like, 'Wow! Power doesn't always have to be derived from decibels or adolescent angst!' Like their song "Waitr