How We Became Bitter Political Enemies

It wasn’t long after a gunman opened fire on members of a Republican congressional baseball team on Wednesday that the emotional calls for unity began. …

Their appeals, however fervent, are working against a historical headwind. Democratic and Republican voters don’t just disagree about the right way to reform health care or the true intentions of President Trump. Many despise each other, and to a degree that political scientists and pollsters say has gotten significantly worse over the last 50 years. CONT.

Emily Badger & Niraj Chokshi, New York Times