c1731006c4 Open Letter to George Barna. . The detractors of this blog will want evidence of such so I point them to these reviews of your execrable books Revolution . Read Revolution by George Barna by George Barna for free with a 30 day free trial. Storm the barricades!According to researcher George Barna, we're in the midst of a "spiritual revolution that is reshaping Christianity, personal faith, corporate religious experience, and George Barna is one of today's most influential Christian leaders. George Barna's "Revolution" is now almost 5 years old and in writing this review I realize that I am late to the party and further I realize that the discussion has progressed beyond this