Mecham became Governor of Arizona more than two decades later , and was subsequently impeached from office .
Incumbent Democratic U.S. Senator Carl Hayden ran for reelection to a seventh term , defeating Republican nominee State Senator Evan Mecham in the general election .
nominee became Governor of Arizona more than two decades later , and was subsequently impeached from office .
Incumbent Democratic U.S. Senator Carl Hayden ran for reelection to a seventh term , defeating Republican nominee State Senator Evan Mecham in the general election .