In previous political eras, women like these would have been told to hold their tongues or act more ladylike. These days, however, we are being encouraged, at least in some quarters, to embrace our anger. A slew of new books are challenging the ancient notion that rage can be dangerous for both self and society, arguing instead that women’s anger is, as the respective subtitles of these books insist, their “power,” their “revolutionary power,” even their “superpower.”