how religious leaders should respond to this is someone who wrote a book about it, he is pastor robert jefferss book is out, it's excellent, "a place called heaven." can you possibly find a way to make sense of evil like this, evil that we can't even figure out a motive to yet? >> i think we have to avoid pat answers to question like this but what we can say with absolute certainty is what thebu bible says with certainty. first of all, evil is a reality, the president touched on that yesterday. jesus talked about it 2,000 years ago. he said satan is real, he's the author of evil, he's a liar and a murderer. even though evil is real and the stranglehold on the world is real, it's also temporary. the great hope in the bible is the one day the lord is going to return, he's going to defeat evil and that hope of heaven is powerful enough to extinguish the horrors of las vegas. >> brian: 58 families wondering why their son, daughter, husband or wife is dead because they wanted to go see a country music concert andy when they hear there's evil in the world, that's not good enough, what do you say to