based on tithing, because i think god is a pretty fair guy. he says if you give me a tithe, it doesn't matter how much you make if you have had a bumper cropped you don't owe me triple time you had no crops at all you don't need any tithe. you make 10 billion a doll you may a billion you make $10 you pay one. everybody gets treated the same way. you get rid of the de directions and all of the loopholes. >> governor bush. >> i have a lot more to say about it. >> we are going to come back to doctor carson. you were one of the few people on the stage who advocates for common core education standards reading and math. a lot of people on the stage vigorously oppose federal involvement they say it should be all handled locally. secretary of education arnie duncan says most of the criticism of common core is due