When people become Jehovah's Witnesses, they claim to come to "the truth." So what is "the truth," and why does it keep changing? Do you know someone who is studying with a Jehovah's Witness? Prehaps a friend or relative is considering joining the Watchtower Society. Before you talk to them, maybe you should learn more about what this group believes. It is always good to have questions, questions that deserve serious thought. Here are 20 important ones to think about. Written directly to those considering the claims of the Jehovah's Witnesses.