David Cook fans, the wait is over! In part 1 of his Idolatry interview with Jessica Shaw and me, the reigning American Idol champ admits he “put a wall up” for the first two weeks of the season 7 semifinals; in part 2, he gives a detailed breakdown of how he came up with his fantastic arrangement of Mariah Carey’s “Always Be My Baby“; and in part 3 (after the jump), the rocker dude discusses his transformation from average guy to world-class cougar bait! (Check back tomorrow for two more Cookie interview segments, plus our chat with Syesha Mercado!)