Why am I still watching, and supporting, this musical competition series, when American Idol and The X Factor have left me completely cold this season? I figured it out when watching last night's two-hour audition round: Unlike the others, this show, at its heart, is inherently kind and genuinely supportive. And the new judges, Usher and Shakira, have established their places already, fitting in nicely — while Blake Shelton remains the sneaky stealth bomber of The Voice, saving his am