Pastor Jeffress wallows in logical fallacies. *In logic, an argumentum ad populum (Latin for "appeal to the people") is a fallacious argument that concludes a proposition to be true because many or most people believe it.
Christianity is not the oldest religion Pastor Jeffress and was considered a cult to the Pagans and Jews who came before Christianity.
"Millions of innocent men, women, and children, since the introduction of Christianity, have been burnt, tortured, fined, and imprisoned; yet we have not advanced one inch toward uniformity. What has been the effect of coercion? To make one-half the world fools and the other half hypocrites."
Article Six of the Constitution states that
"no religious test shall ever be required as a qualification to any office or public trust under the United States."
The adulterous connection between church and state... [Thomas Paine, The Age of Reason]