The Goo Goo Dolls were scrappy post-Replacements rockers before their mainstream breakthrough with the wistful, acoustic-guitar-driven "Name." Now, they're best-known for their ballads and midtempo rockers, from "Iris" to "Slide."If you're on the fence about their co-headlining tour with Daughtry, at Comerica Theatre on Sunday, Aug. 3, here are three reasons to go.1 In the 27 years since their self-titled debut, they've managed to rack up a handful of surefire audience sing-alongs, including "Name" and "Better Days," that could, in theory, take you back to key points in your own life through t