When you've sold 36 million albums, you can afford to reinvent yourself endlessly. But Norah Jones' blessing, or curse, is how she remains her imperturbably chill self in any of her guises, be it hip-hop soul diva (Q-Tip's "Life Is Better") or jilted lover drifting through an art film (My Blueberry Nights). For her fourth LP, her liveliest, she rolls with producer Jacquire King (Tom Waits,...