Democrats' primary focus: Arizona's 6th Congressional District

Democrats see the 6th District, a Republican stronghold which covers much of north Phoenix, Paradise Valley, Fountain Hills and Scottsdale, as winnable because of a long-running ethics investigation into five-term GOP incumbent Rep. David Schweikert.

GOP Arizona Rep. Schweikert pays fine to settle ethics case

In a written response filed with the committee, Schweikert said he believed he could disprove some of the allegations but decided to seek a settlement in part because the investigative process “was time consuming and extremely costly.”