The ‘Big Blue Shift’ That Could Spell Election Mayhem: QuickTake

There’s no shortage of worries about the Nov. 3 U.S. presidential election. One is a phenomenon known as the “big blue shift.” It refers to the possibility that unofficial results on election night spur President Donald Trump to declare victory but that further vote-counting over subsequent days and possibly weeks shifts the advantage to his Democratic challenger, Joe Biden. Unlike other nightmare scenarios in this unusual pandemic-tinged election, this one has been building for years.