Uncool, middle-aged white women are Democrats’ best hope for unseating Trump. Why does the online left hate them so much? — I am late to the Karens, which probably makes me Karen-ish — that is, white, middle class, middle-aged, female, college-educated, from Midwestern suburbia, and too distracted to track what’s trending on Twitter. So, when a video was retweeted into my feed last week calling an obnoxious, mask-defying white woman a…