Gallup provides polling and analysis on dozens of pressing topics in the United States, many of which involve religion.

The Arab American Institute (AAI) is a nonprofit organization committed to the civic and political empowerment of Americans of Arab descent through campaigns and elections as well as policy formulation and research.

The U.S. Religious Landscape Survey is an extensive survey by the Pew Forum on Religion & Public Life which details the religious makeup, beliefs and practices as well as social and political attitudes of the American public.

Read a 2012 Institute for the Study of American Evangelicals article about the politically active evangelical community, their influence in the polls and the transformation of their political ideologies throughout history.

Gastón Espinosa, assistant professor of religious studies at Claremont McKenna College in California, specializes in Latino religion and politics.

Read a Feb. 3, 2009, article from the Chronicle of Philanthropy about the court ruling against the IRS.

Read an article from the First Amendment Center about churches challenging the IRS law.