U.K. singer-songwriter David Gray seems to have lost the hunger that drove him to pen songs like the trembling 1993 gem "Debauchery" and his skittering 2000 breakthrough, "Babylon." His last two albums have been snoozers, and while he picks up the pace on Draw the Line, the songs are more second-rate Radiohead, Coldplay and Van Morrison than first-rate Gray. The slow-burning title track and...