A funny, sweet, heartwarming romance.Christmas has always been Kate O’Connor’s favorite time of the year, but this season—despite her battery-operated twinkle-light earrings—she’s feeling far from festive. In fact, she’s wallowing in a generous dose of self-pity over the loss of her father, the train wreck that was her engagement, and an unsavory setback in her career. To make matters worse,…