outside the group, what do they mean by that? >> they mean external and internal threats. internal being inside this country, external being from outside, really isis. the internal threats would be the declining decent jobs, the idea for whites, that whites are going to be a minority, the various political correctness, particularly on conservatives. this network of forces together tends to push people farther to the right and in this case it's been working strikingly to the advantage of donald trump in the republican primary electorate. >> david berg from yale talked to you and said at some level deep within our primitive unconscious, those regions of the brain that process fear before the cerebral cortex can