David denHartog teaches the third in the “Elijah: A Man on a Mission” series. All of us have a prodigal somewhere in our life that we are concerned about and for whom we would like desperately to see changed. Is there anything we can still do, even when change does not seem like it is coming? Yes, we can still pray! But, how can we be assured that the prayer will still be effective? Here are six things that make prayer effective, from I Kings 18:41-46 and James 5:13-20.