When a principal at a Killeen middle school ordered a staffer to remove a Christmas-themed cartoon poster last week, Texas Attorney General Ken Paxton quickly came to the poster's defense. He said the decision to take down the Peanuts-themed image, which quoted Linus from "A Charlie Brown Christmas," was an "attack on religious liberty."

It's become something of a holiday tradition: Year after year, Texas officials wage battles in the so-called "War on Christmas." Here's a sampling: