This month, Gallup is publishing new data and insights on the most important political, economic, religion and well-being topics at the state level.
Mike Huckabee's official entrance into the Republican race for president this week underscores the importance of a particular segment of the Republican population -- the highly religious Protestant voters.
Support for legal same-sex marriage is strongly related to religion and partisanship. Black Americans, who tend to be Democratic and highly religious, are particularly cross-pressured on this issue.
The controversy over the state-based religious freedom laws in Indiana and Arkansas highlights the continuing impact of religion on social and policy issues in this country.