By Sallie Lewis Longoria It’s coming on Christmas, and up and down my street, twinkle lights glow softly, like summer fireflies. While my own home will soon be decked for the holidays, the house next door remains dark and shuttered, a lingering reminder of what I lost. My grandparents – who I called Honey and Popo – were many things to me. Friends, first and foremost, role models, teachers, travel advisors, and much later in life, next-door neighbors. Together since ...