for The Hill

Democrats and Republicans couldn’t be farther apart in political outlook. With distance comes fear and loathing: Each party views the other not just as misguided but as an alien menace to their idea of America.

Nonetheless, neither party is monolithic. Each has internal cleavages, varying shades of opinion reflecting differences in race, class, ethnicity, gender, religion and age. When it comes to deciding elections, the fault line that matters most is the diploma divide.