In this episode of Mormon Stories, J. Nelson-Seawright interviews David Campbell, Professor of Political Science at the University of Notre Dame and the founding director of the Rooney Center for the Study of American Democracy, about his celebrated research on religion and politics in America. Professor Campbell argues that the current partisan environment, in which religious people mostly support the Republican Party and less religious people the Democratic Party, is a recent development --- and he explains how this pattern can help explain America's recent rise in irreligiosity.Campbell also discusses his work on Mormonism and politics. He explains his research about how Mormon identity is different in American context: stronger, more collective, more integrated, and with stricter boundaries. He discusses implications for how Mormonism interacts with politics, and also for the identity and religious options of liberal and disaffected Mormons.