By Heather ValePhotos by Roger BennettAugust in Las Vegas started out with a lot of heat, and it was partially thanks to one of the hottest concerts of the year – a triple bill at Red Rock’s Sandbar headlined by the Goo Goo Dolls.I was joined by my partner-in-creativity, photographer Roger Bennett, who’s also a big fan of the band, which happens to be from his home town.Formed in Buffalo, N.Y. in 1986, the Goo Goo Dolls have now churned out 10 studio albums which have collectively sold over 10 million copies. This tour is to support the latest one, Magnetic.“This album was really upbeat and fu