Middle Earth enthusiasts can fret no longer as the second installment of “The Hobbit” debuts in theaters nationwide today. When we last left Bilbo Baggins, he was accompanied by Gandalf the Grey and more than a dozen battle-tested dwarves en route to the mysterious Lonely Mountain. Of course, what’s an unexpected journey without the threat of imminent demise from an otherworldly creature? There is no spoiler in revealing that the mountain is presently guarded by Smaug, a....