Rep. Kyrsten Sinema was once a member of the liberal Green Party, but now she's one of the congressional Democrats most likely to vote with President Donald Trump and a champion of moderate compromise. Though she had token opposition in Tuesday's Arizona primary for the party's nomination for U.S. Senate, Democrats are largely united behind her.
Rep. Martha McSally represents a moderate district and was a Trump critic in 2016, but has since embraced him. She defeated two challengers from her right in the Republican primary but may emerge with less than half of GOP primary voters supporting her after being slammed as a flip-flopper by opponents.
The Senate race in Arizona is shaping up to be a tale of two pivots.
The different way their maneuverings have been received illustrates how Republicans and Democrats police politicians.