No matter your religious beliefs — whether you’re devout, doubtful or downright atheist — you’re probably familiar with the Christmas story. From carols streaming through shopper-clogged malls to families trimming their trees to pundits debating whether there’s a “war on Christmas,” the holiday is ever-present at this time of year. But its history, significance and traditions are sometimes misunderstood. Let’s clarify what the yuletide is all about.