donald trump seemed to take a shot at ben carson's religion, and then carson responded. listen to trump. >> i'm presbyterian. nobody believes it. i'm presbyterian. i'm presbyterian. i'm presbyterian. boy, that is in the middle of the road, folks. i mean, 7th day adventists i just don't know about. >> it's kind of interesting, because the conflict that we had a couple of months ago is he thought i was questioning his faith and he went ballistic on that. so it seems a little interesting that he would now be doing that. you know, i really refuse to get into the mud pits. >> and now trump says, i was just saying, i don't know. i wasn't really taking a shot at him. >> just raising questions because he wants to learn. the other thing when donald