Tuesday town hall appearance on campaign schedule; time and place yet to come.
Republican senator says it's No. 1 issue on which he disagrees with presidential candidate.
Message: 'Elect somebody who will keep communities safe from gun violence.'
Primary voters have Ray Carroll's seat to fill and a challenge to incumbent Ally Miller.
The online spot attacks Democratic challenger Kirkpatrick
Six Republicans vie for party nomination, and funds to run their campaign.
The Democratic candidate for Senate is taking to the airwaves.
New site allows voters to catch problems before Election Day.
Tucson Police one of 15 police departments in the country selected for new policing strategies