Atlantic Senior Editor David Frum interviews in about the current state of political polarization in American politics. Rosenfeld鈥檚 newest book, , has generated national interest for how it examines the current political landscape through analysis of political party decisions from the 1950s through the 1970s.
Sam Rosenfeld, assistant professor of political science, stands in front of a black board teaching to a group of students in March, 2018.