This Advent, my heart has been singing "O Come, O Come Emmanuel" like never before. There's a feeling of exasperation in the air. There's a sense of yearning, so palpable. Between lingering reports about Michael Brown and Eric Garner, stories of shootings in my hometown, and a general level of mistrust and anger, I'm crying out, "How long, Lord, must we wait?" This Advent, as I've contemplated our deep, utter need for Christ's return, I've found myself more emotional than usu