Sounds Like Metallica's James Hetfield and Kirk Hammett Are Beefin' About Riffs

James Hetfield sounds a little peeved about the riff situation on the latest Metallica album, last year's actually-pretty-damned-good Hardwired... to Self-Destruct. The problem, as Hetfield sees it, is a distinct lack of riffs from his fellow guitarist Kirk Hammett. As Stereogum and Ultimate Guitar point out, at around the time of the album's release, Hetfield told the…