If it's Christmastime, it's time for Darlene Love

For nearly 30 years, or for as long as fans of David Letterman's late-night shows can recall, it wasn't Christmastime until Darlene Love brought down the house. Standing onstage, or atop a piano, amid a shower of fabricated snowflakes and orchestral flourishes -- blaring horns, sweeping strings, soaring voices, percussion swells -- the gospel-bred vocalist delivered her customary yuletide treat, belting out "Christmas (Baby Please Come Home)" in soul-stirring fashion. No roasting chestnuts for h...