Is America in decline? How long has this been going on? And what is causing it? George Barna’s name is synonymous with the gold standard for research. He’s also an author, professor and cofounder of the cultural research center at Arizona Christian University.  On this week’s podcast, Host Casey Harper discusses the spiritual trends in America. They discuss Americans’ changing beliefs, the surprisingly low number of Christians who have a Biblical worldview, and what it means for the future of the nation.