If you doubt that the politics of identity have triumphed over the debate over ideas, read the Sept. 28 New York Times story about how "Carly Fiorina Both Repels and Enthralls Liberal Feminists."
Identity politics is the marketing of and resulting support of candidates based on their historically underprivileged status. Never mind what I believe or claim I'll do if I win. Vote for me, gay males, because I am one of you! Vote for me, black women, because it's time for a black woman!
Or: vote for me, white liberals, because I'll heal the rifts of sexism and/or racism.