THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED. LARRY KING, HOST: Tonight, evangelical superstar, Rick Warren in his first live prime time interview since that at heroic hostage, Ashley Smith read his best-seller, "The Purpose Driven Life" to the Atlanta courthouse killing suspect, Brian Nichols. Hours later, Nichols let her go and surrendered to police. What is "The Purpose Driven Life?" Pastor Rick Warren for the hour with your phone calls next on LARRY KING LIVE. He's just back from Africa, a return visit with Rick Warren, who has rapidly...