House Oversight chair Jason Chaffetz won't run for re-election
Rep. Jason Chaffetz will retire after this term, as first reported by BuzzFeed News' Alexis Levinson and confirmed by Chaffetz in a Facebook post:
Why it matters: Chaffetz chairs the powerful House Oversight Committee, and spent much of 2016 investigating Hillary Clinton's emails. He's been less visible during the Trump administration.
Upcoming Utah political races after 2018: Governor in 2020.