HMM: “Exit polling for Super Tuesday contests show a growing trend towards division by ethnicity among Democrats.”

Further thoughts here: “According to Dick Morris, Bill and Hillary Clinton wanted to make the primary contest a question of race and it worked.”

UPDATE: Further thoughts from Evan Coyne Maloney.

ANOTHER UPDATE: Arnold Kling on a patchwork of prejudices: “In November, after the election, the media will tell us that the public delivered a mandate on issues. But what issues caused Asian and Latinos to vote against Obama? What issues caused evangelical Christians to vote against Romney?”