The final straw came when President Carter abolished the charity status for the fundamentalist religious schools. This really hurt because they thought Carter, an evangelical, was one of them. But Carter was of the old school - he believed that religion should be separate from politics.

So in May 1979 Paul Weyrich and four other young activists drove to the Holiday Inn in Lynchburg Virginia to meet one of the most powerful evangelical pastors in America, Jerry Falwell. Like a number of other pastors, Falwell had his own television network and millions of followers. What happened at that meeting would shatter the pietism of millions of fundamentalist Christians and bring them - and their beliefs - into the heart of American politics.
...
Back in 1963 Khomeini was just another conservative cleric living in the City of Qom, but then the Shah launched the White Revolution which was supposed to modernise Iran. Khomeini was horrified because the programme was going to emancipate women, swear in elected officials on any holy book - not necessarily the Koran, and worst of all it threatened to take away the clergy's very large landholdings.
...
For Khomeini this was the key - and in 1970 he gave a series of lectures that took Shariati's attempt to fuse revolutionary Marxism and Islam and used them to portray a new vision of Shia Islam. Your duty, Khomeini said, was no longer to remain passive but to seize power and drive out the wicked and corrupt ruler. It was an extraordinary move, because Khomeini was exploding one of the fundamental ideas of his religion.

http://www.bbc.co.uk/blogs/adamcurtis/2012/03/who_would_god_vote_for.html

This program today is not political. It's totally based on the importance, the sanctity, of religious freedom in the United States of America.

...and publish now this booklet entitled "Declassified Material". It's a briefing on why we oppose an immediate nuclear freeze. ... It's information that every American ought to have. Every pastor ought to have. Every Sunday School teacher ought to have.