The difference is in how you define an evangelical. With the Barna method the voting block is greatly reduced, and the political alignment comes through more clearly. Other the other hand the power of the voting block is marginalized.Presidential Race Tightens as Faith Voters Rethink Their Preference
Using the common approach of allowing people to self-identify as evangelicals ... John McCain holds a narrow 39% to 37% lead over Sen. Obama.
Using the Barna approach of studying people’s core religious beliefs produces a very different outcome. ... and Sen. McCain holds a huge lead (61%-17%) over the Democratic nominee.
For what's it's worth. Your thoughts are always welcome...
God Save the U.S.A.