When Trump promised a coronavirus vaccine by year's end, Washington Post journalists had a weird reaction: They fact-checked the future. And when they were wrong, they retroactively adjusted the story. They weren't alone, of course. From @FDRLST: https://t.co/SBTFmlKop9 pic.twitter.com/haIgzCdtdZ

— Byron York (@ByronYork) December 17, 2020