Check out this article on NYTimes. It refers to the way in which American foreign policy is affected by a particular or peculiar? way of interpreting the Bible in dispensationalism.

http://www.nytimes.com/2006/11/14/washington/14israel.html?_r=1&adxnnl=1&oref=slogin&adxnnlx=1164038613-evQuD24ebXTZyRKqERnt2A

Evangelicals and politics is a major topic of conversation currently and well it should be.