• The first measure asks if local, state and federal officials should be required to enforce U.S. immigration laws 'to secure our borders.' 'I would be shocked if it didn't pass,' said Kathy Ward, chairwoman of the Collin County Republican Party.State Republican officials put the items on the primary ballot in hopes of influencing future legislation. Mandy Tschoepe, of the State Republican Executive Committee, said, 'It gives us a big stick to take to the Legislature. We can say, 'Ninety-two percent of Republican primary voters think a voter ID in order to vote is an important issue. Let's get it done.''
• The second referendum, also related to illegal immigration, calls for legislation to require voters to show photo identification.
• The third item would require state and local governments to limit annual budget increases to the sum of the population growth and inflation rate.
Texas legislators are studying an Oklahoma illegal immigration law that's considered the nation's toughest. People who shelter or conceal undocumented immigrants can be charged with a felony under the law passed last year.