given most polls show about 90% of americans support a daca deal. why would mr. trump abandon that idea, given there could be some consequences? >> because donald trump doesn't operate by logic or political calculation. it has served him well in the past where he acts on impulse. here i'm not sure it will. remember, down in florida, he has no advisers around him. he has no chief of staff, john kelly. he has none of the other prague mists to say mr. president, let's think about this. he has no republican congressman to say to him, look, let's see if we can get a bipartisan deal. so trump lashes out and we all pick up the pieces when everyone comes back from easter holidays. >> now you mentioned that the border wall is really at the center of this. it's possibly what triggered mr. trump's frustration. how dangerous is the issue of immigration for the trump administration at this point? >> let's talk about two things. the first is that immigration is