organized efforts and frankly more related to asian people, coming into our country, having children in that organized efforts, taking advantage of a noble concept which is birth right citizenship. reporter: trump didn t hold back on twitter saying it was a clumsy move to get out of the anchor babies dilemma saying asians are very offended that jeb said anchor babies applies to them. on the trail today, bush needling trump. there is a lot of really good talkers running for president. and there is one in particular i m thinking of. look, talking is good. it is important to communicate. i got that. i think it is more important to solve problems now. reporter: the latest exchange, a signal of how the battle for the republican nomination is quickly coming down to a war of words between two top candidates.