The second album from these gold-selling Boston guys is as arena-ready as any record you'll hear all year, augmenting Martin Johnson's yearning vocals with gratuitous gloss from hitmaking producers S*A*M and Sluggo. Love Drunk piles on the heart-baring cheese-outs — "Two Is Better Than One" (with Taylor Swift) sounds like a stripped-down version of a Nineties Aerosmith ballad —...