Polls show toss-up for Arizona governor, Dems hold edge for Senate

If the last few election cycles have taught us anything, it's that polling is far from an exact science.

The 2016 and 2020 elections were notorious for polling that was off the mark in presidential and U.S. Senate races.

Yes, but: It's still the primary way people measure how competitive a race is, and based on the results in Arizona, several key races are up for grabs.