Arizona's elections chief says the state needs to overhaul a portion of its campaign finance laws to maintain an informed electorate after the nation's top court gave corporations the ability to pay for political advertisements.

Rep. Chris Deschene, a freshman Democrat from Window Rock, announced that he won’t seek re-election to the House of Representatives, and will instead run for Arizona’s second-highest office. The main duty of the secretary of state is to oversee elections, ...