“The Ghost of Christmas Present” might turn out to be the phantom debt consumers accrued on gifts this holiday season: Shoppers put a record $10 billion worth of purchases on buy now, pay later plans in November, Adobe found, and $1 billion on Cyber Monday alone. About half of Americans have used BNPL services, according to industry estimates, to purchase everything from designer purses to burritos. In fact, from that vantage point, the debt might be less like the cheery spirit that showed Ebenezer Scroo ...