How unthinkable it was, not so long ago, that a presidential election would pit a candidate fathered by an African against another condemned as un-Christian. Yet here it is: Barack Obama versus Mitt Romney, an African-American and a white Mormon, representatives of two groups and that have endured oppression to carve out a place in the United States.
How much progress has America made against bigotry? By November, we should have some idea.