A Christian Country?

In John Wesley's fourth sermon, "Scriptural Christianity," he claims he is writing with a "plain, practical application."  Perhaps Wesley and I have different understandings of the connotation of the word "plain," but I would not generally call this sermon plain.  This sermon is a dense series of Scripture references and rhetorical questions asked to the reader/listener that not only challenge the individual, but but even the country.  Wesley asks the question, "Which is the country, the inhabitants whereof are all thus filled with the Holy Ghost?"  This is certainly an interesting question in understanding Wesley's own context, however it's also something we should ask today.  Some have called the United States a "Christian Country," but are we?  Are all of us really filled with the holy Spirit? We could even take this question down to the local church level.  I wonder what the true answer would be.