PHOENIX – A Harris campaign text message targeting college students at Arizona’s public universities triggered data-privacy concerns and a state Senate investigation over the weekend. On Sunday, students and others with ties to Arizona State University, the University of Arizona and Northern Arizona University received text messages notifying them of the voter-registration deadline, which is Monday. “As an Arizona State University student, you can register and vote in Arizona. Register to vote at your on or off campus housing address today,” one version of the text said. It is legal in Arizona for college students to register to vote from their dorm…