The split screen of the debate was priceless: Trump spewing nonsense, a perpetual scowl on his face, and Harris gazing at him in wonder and amusement as he set a match to his candidacy.
Although we think we’re doing several things at once, multitasking, this is a powerful and diabolical illusion. Multitasking makes us significantly less efficient; as much as 40 percent less productive.
