Rep Darrell Issa (R, CA) - The 9-term Republican opens a competitive house seat in 2018. While the registration favors a Republican, Hillary Clinton won the district by 8 points in 2016.
AZ Sen. Open Seat - Contested Republican Primary: Sheriff Joe Arpaio, St. Sen. Kelli Ward and probably Rep. Martha McSally. All are pro-Trump candidates.
Sen. Orrin Hatch (R,UT) Sen. Orrin Hatch (R,UT) , the longest-serving Republican Senator, is retiring. This may give Mitt Romney a chance to run for the seat.
Rep Bill Shuster (R, PA) is retiring. Both seats are safe Republican seats
Michele Bachmann – former MN Republican Rep and presidential candidate is considering running for Al Franken’s senatorial seat.
2018 Senate Democratic worry states (from Roll Call)
MO – Sen Claire McCaskill – Trump carried state by 20 points.
IN – Sen. Joe Donnelly – Trump carried state by 19 points.
ND – Sen. Heidi Heitkamp – Trump carried state by 36 points.
WV – Sen. Joe Manchin – Trump carried state by 42 points. (Roll Call)
VA Election - The Democrats might gain control of the State House of Delegates (there are 4 pending races). The Dems picked up 15 seats, 12 held by Republicans seeking re-election. (Washington Post).