The ‘Big Blue Shift’ That Could Decide the Presidency

The outcome of the presidential election is turning in part on what’s known as the “big blue shift.” Partial results after polls closed on election night Nov. 3 showed President Donald Trump in a strong position and, as many analysts anticipated, he declared victory prematurely. As expected, further vote-counting in some places is shifting the advantage to his Democratic challenger, Joe Biden. What’s unclear is whether the shift will be enough to become decisive.