Gehrke: With Chaffetz's first move, the 2020 governor's race starts now

Did Donald Trump’s unpopularity claim its first congressional victim in Jason Chaffetz?
The congressman’s announcement Wednesday that he wouldn't seek re-election in 2018, nor will he run against Sen. Orrin Hatch, shook Utah political circles, but on several levels, the decision makes sense.
Within his inner circle, Chaffetz had confided there was some burnout with the congressional grind, and some frustration with the early direction of the Trump administration.
Democrats jumped on the announc…