IOWA CAUCUS IN AZ: With the Iowa caucus officially kicking off the 2020 presidential race, Christopher Conover heard from Iowa voters who caucused at a satellite site in Green Valley this week. IOWA INFLUENCE: Lorraine Rivera hears from UA political scientist Samara Klar about what influence the Iowa caucus and earlier primary events can have on voters in Arizona where the Democratic presidential preference election isn’t happening until March 17. PIMA COUNTY VOTING SECURITY: A behind-the-scenes look at how the Pima County Recorder’s Office processes mail ballots as it takes early steps to reassure voters its system is secure. RANKED CHOICE VOTING: Understanding an early push to change the way Arizonans vote that would let them rank their favorite candidates instead of choosing just one. Christopher Conover sits down with supporters of so-called ranked choice voting.