Many Americans are facing brutal cold this Christmas Eve. Freezing temperatures are plunging into Florida and Texas. Single-digit lows in the Plains and Great Lakes, and blizzard conditions are wrecking travel plans, while the same “bomb cyclone” is driving coastal flooding in the Northeast. Is climate change playing a role here? Weird weather and wild extremes have been the calling cards of a changing climate, and it’s almost reflexive to question how much influence the warming world has in this last angry burst of 2022. Recent advances in the science of weather attribution can offer quick insight — and believe...