Nuclear Messiah, the project featuring Chris Poland (ex-Megadeth), have released a new cover of May Blitz’s “For Mad Men Only.” A video for the track, which features Joe Lynn Turner (ex-Deep Purple), Pat Travers (Pat Travers Band), Alan Davey (ex-Hawkwind), and Shawn Drover (ex-Megadeth), can be found below. Nuclear Messiah’s new album, “Black Flame,” will…