What are the women of pop music up to this summer? Being brats, Spencer Kornhaber writes. ⁠ ⁠ It may sound like an insult, “but when the hipster diva Charli XCX titled her new album ‘Brat’ … she crystalized a cultural mood: Seeming a little immature, a little selfish, a little nasty, has taken on an air of glamour,”... See more