CNN/Opinion Research Corp. : Travel alerts inform people of their rights when stopped by law enforcement . But Arizona Gov . Brewer says police can ask the residency status of people being investigated for a crime . ACLU says it 's concerned that officers will enforce law before this Fourth of July holiday weekend effective date . CNN/Opinion Research Corp. poll : 37 percent of those surveyed favor New York law .
CNN/Opinion Research Corp. : Travel alerts inform people of their rights when stopped by law enforcement . Brewer says police can ask the residency status of people being investigated for a crime . ACLU says it 's concerned that officers will enforce law before this Fourth of July holiday weekend effective date . CNN/Opinion Research Corp. poll : 37 percent of those surveyed favor New York law .