I read this article this morning and found this particular quote (and article) intriguing.
...No nation (or Christian institution, for that matter) can survive when its leaders are driven by a spirit of pragmatism or make their decisions according to political expediency. Expediency is an obscene word. It is the word that is ever and always at war with principle. A person who is a Christian is called of God to live by biblical principles.R. C. Sproul, TableTalk Magazine, January 2009 issue.
Read the rest here.