In practice, it has been very pro-leftist partisan.
Oh no, you are very mistaken.
The redistricting was rather Republican friendly. Especially O’Halleran was gerrymandered out!
He was Democrat, holding for few years in Republican majority district. They added Prescott to his district and then he had NO chance. Unfortunately that made Schweikert fighting to his life, but he survived!
We gained two seats in Arizona!
NY four, Arizona two, Oregon one?, California - bunch.
Were there any other gains?