Like Michael Jordan or Jay-Z before it, Sarah McLachlan's Lilith Fair is coming out of retirement. The estrogen-fueled tour bus rolls into Live Nation's Comfort Dental Amphitheatre--formerly Fiddler's Green--Tuesday. Colorado's lineup isn't my personal favorite, but there are certainly some "sexcellent" specimens involved with the festival's reanimation. Janelle Monae, La Roux, Sia,...