A growing number of Americans don’t identify with either political party.
Pity the state of American politics. Half the voters pull the country in one direction, and the other half stubbornly yank it the opposite way. Everybody seems to be screaming, not so much at each other as past each other. The United States is divided down the middle, the pundits say.
It isn’t. In terms of party affiliation, ideology, and even positions on particular hot-button issues, the American electorate has hardly changed at all in a generation. Today, about a quarter of Americans say they are Republicans; a similar proportion said the same 30 years ago. Some 35 percent of...