FORTY-EIGHT HOURS after I got off the phone with Barbara Kruger—we talked about her work, power, politics, social media, and TV—I was in Washington Square Park, watching her most famous image make its way through a throng of protesters. Untitled (Your body is a battleground), 1989, appeared on a stricken teen’s T-shirt: a new purchase, it seemed, unfaded, the shoulder seams still creased. On another day, it might have registered as a cultural statement on a par with Nirvana’s X-eyed smiley face, but this was the sultry evening of June 24, the day the Supreme Court overturned Roe v. Wade.Kruger’s