Katherine O'Connor often spends her days at a cozy café on Blossom Street in Seattle--where she writes Christmas letters for other people. She's good at making their everyday lives sound more interesting. More humorous. More dramatic. But for Dr. Wynn Jeffries, who also frequents the café, Christmas means lies and deception. In fact, the renowned child psychologist recommends that parents "bury Santa under the sleigh." Katherine, however, feels that...