President Trump is slowly but surely giving Democrats a shot at winning the House and Senate in 2018. If this happened, the House would surely move to impeach him.
The big picture: The numbers — not just in Alabama, but for the totality of elections in 2017 — have top Republicans rattled. Democrats, flat as could be after 2016, suddenly see the makings of a 2018 comeback, but they still face a tough path.