Think of our democracy as a house we built in 1776, big enough only for Christian, property-owning white men. Over the next two centuries, various groups struggled to make it bigger, with space for people of other faiths or no faith, people of color, poor people, and women. Imagine then that someone stole a shingle, or a nail — first one, then another. After many such small thefts, the structure weakens. The roof begins to fall in; whole rooms are torn down, the wreckage is carted away; eventually, all that remains is a skeleton.
Democracy, as the historian Sean Wilentz…
