Will open primaries shake up politics in Arizona-- and the West?

Precinct voting sign (Image Credit: Pamela Powers Hannley)

When Americans are unhappy in an election year, they often adopt a 'throw-the-bums-out' attitude toward incumbent politicians. In 2008, the Democrats seized control of all three branches of government. In 2010, Americans threw dozens of Democratic 'bums' out, and many Tea Party-leaning Republica…