On the Fact that East-Asian-Americans and Ashkenazi Jews Continue to Dominate White Gentiles in Professions and Academic Areas Involving Mathematics

A systematic bias against white Christians? Or a cultural difference? And if it's a cultural difference, couldn't the same be said regarding blacks and the way that they lag behind not just whites and Asians but African immigrants, too?......I'm just asking here, folks (as a part of the President's conversation on race, let's say).