Tim Harford: politicians are willing to put COVID progress at risk for the symbolic value of Christmas. "What makes this so absurd is that in the big scheme of things, Christmas doesn’t matter. Don’t get me wrong: I love Christmas as much as the next man, even if the next man is a reformed Ebenezer Scrooge. But when it comes to catching up with my family, I’d rather not risk giving everyone the unintended gift of COVID-19, whether or not it is legal to do so." In the Financial Times, the Undercover Economist offer his takes on whether 'open' holidays are worth the risk.