Two weeks prior to the April 2008 release of E=MC2 -- Mariah Carey's tenth album and the sequel to her big 2005 comeback, The Emancipation of Mimi -- the diva broke Elvis Presley's record of being the solo artist with the most number one singles on the Billboard charts. Lots of publicity surrounded "Touch My Body" reaching number one, as well it should: busting an Elvis record is always news, but this particular record served team Mariah well, as it paints Carey as being a diva who's bigger and better than the rest. An unintentional side effect of this very record is that it also tacitly pointed out that Mariah has been around a long, long time: 18 years, to be exact, roughly two years shy of the two decades that it took Elvis to establish his record. Unlike Elvis -- or any other major artist who's been around for two decades, for that matter -- Carey seems determined not to look back, to exist in some kind of eternal now, never acknowledging that she has a past, unless she's wielding her divorce from her ex-husband/ex-record label chief Tommy Mottola for some kind of sympathy, something she does once again here via vague allusions to naïveté and "violent times" on "Side Effects." …