A Republican operative barely attempted to defend J.D. Vance’s remarks about “childless cat ladies” during an appearance on CNN. The GOP vice presidential nominee had previously questioned whether vice president Kamala Harris, now the likely Democratic presidential nominee, had a legitimate stake in the nation because she didn’t have children, and CNN host Kasie Hunt questioned whether remarks like that would appeal to many voters. “Let’s just remind everyone who else is of a very powerful, childless cat lady, quote, unquote, because the internet really likes Taylor Swift in this particular mo…