which candidates are now trying to angle to be second choice for these donald trump supporters? >> most of the candidates have been critical of donald trump. they haven't been overtly critical. but when asked they've said his rhetoric is unacceptable. ted cruz is the son of a cuban immigrant. he has come out and been supportive of donald trump. ted cruz could benefit from this because he hasn't been to critical of donald trump throughout this immigration issue. >> let's listen to what rick perry said during a stop in iowa. >> we're going to continue to see events like we saw last week where a young lady was murdered