Music Review: Kings of Leon electrify with new album that nods to the past, 'Can We Please Have Fun'

Kings of Leon pose an existential question to listeners on the first single from their new album: Are you a mustang or are you a kitty? Well, turning that around: Which Kings of Leon are we getting now? The purring arena-rockers or an edgy, untamed stallion? Judging from the 12...