Most people have not thought too hard about heaven. They tend to think of it like the final line of a children’s story, “And they all lived happily ever after.” They assume that those who have died are now in heaven doing whatever they did on earth, only better. If someone enjoyed golf, he is smashing long drives down the middle of celestial fairways. If someone loved to paint, she is setting up her easel in front of a glorious vista. And if their friend played the banjo,