UCLA, is a decent program but there are several others. University of Washington has a good program. Duke has a solid program as well. The University of Maryland, College Park has an up and coming program with good young scholars. Also the University of California-Irvine. All of these programs have professors who study racial and ethnic politics in the U.S. context. It also depends on whether or not you want to focus on a particular group like Latinos, African Americans, Asian-Americans or Native Americans (unfortunately, not a lot of scholars who do this work) Hope this helps!!!!