In the current period, identity politics are in vogue. Along with the related trend of intersectionality, these ideas stress the importance of self-identification, personal experience, and the various layers of oppression people experience on racial, sexual, gender and other lines. What is the basis for identity politics? Why are they so popular with the youth in particular? And how do they square with the Marxist method of solidarity and class struggle? The following talk from last year's Marxist University deals with all these questions.